Glossary of Terms

Introduction

Parts of this glossary have been taken or adapted from the National Cancer Institute’s Cancer Dictionary and the American Breast Cancer Society’s Breast Cancer Dictionary.

This glossary does not contain definitions of medications. To learn more about specific medications, visit the website of the National Cancer Institute.

Many thanks to the healthcare practitioners who reviewed portions of this glossary:

• Mechelle Barrick, RN, BSN, OCN, Greater Baltimore Medical Center
• Debra S. Copit, MD, Albert Einstein Medical Center
• Ann L. Honebrink, MD, Penn Health at Radnor
• Isabel I. Law, RN, South Carolina Comprehensive Breast Center
• Judith Macon, RN, MA, Suburban Hospital Cancer Program
• Suzanne McGettigan Bensman, MSN, CRNP, AOCN
• Lisa McGinty, RN, BSN, Abramson Cancer Center, University of Pennsylvania
• Maria Rocktashel, MSN, CRNP, Delaware Valley Surgical Associates
• Lynn M. Schuchter, MD, University of Pennsylvania Abramson Cancer Center
• Michele D. Stolper, Dana-Farber Cancer Institute
• Fionda N. Williams, RN, BSN, Baltimore City Cancer Program

Glossary

mŸllerian tumor

A rare cancer of the uterus, ovary, or fallopian tubes.

macrophage

A type of white blood cell that surrounds and kills microorganisms, removes dead cells, and stimulates the action of other immune system cells.

MAGE-3

A gene found in some types of tumors.

magnesium

In medicine, a mineral used by the body to help maintain muscles, nerves, and bones. It is also used in energy metabolism and protein synthesis.

magnetic resonance imaging

Pronunciation: (mag-NET-ik REZ-o-nans IM-a-jing)

MRI. A procedure in which radio waves and a powerful magnet linked to a computer are used to create detailed pictures of areas inside the body. These pictures can show the difference between normal and diseased tissue. MRI makes better images of organs and soft tissue than other scanning techniques, such as CT or x-ray. MRI is especially useful for imaging the brain, spine, the soft tissue of joints, and the inside of bones. Also called nuclear magnetic resonance imaging.

magnetic resonance perfusion imaging

A special type of magnetic resonance imaging (MRI) that uses an injected dye in order to see blood flow through tissues. Also called perfusion magnetic resonance imaging.

magnetic resonance spectroscopic imaging

MRSI. A noninvasive imaging method that provides information about cellular activity (metabolic information). It is used along with magnetic resonance imaging (MRI), which provides information about the shape and size of the tumor (spacial information). Also called 1H-nuclear magnetic resonance spectroscopic imaging and proton magnetic resonance spectroscopic imaging.

magnetic-targeted carrier

A tiny bead made from particles of iron and carbon that can be attached to an anticancer medication. A magnet applied from outside the body then can direct the medicine to the breast tumor site. This can keep a larger dose of the medicine at the tumor site for a longer period of time, and help protect healthy tissue from the side effects of chemotherapy.

maintenance therapy

Treatment that is given to help a primary (original) treatment keep working. Maintenance therapy is often given to help keep breast cancer in remission.

malabsorption syndrome

A group of symptoms such as gas, bloating, abdominal pain, and diarrhea resulting from the body's inability to properly absorb nutrients.

malignancy

A cancerous breast tumor that can invade and destroy nearby tissue and spread to other parts of the body.

malignant

Pronunciation: (ma-LIG-nant)

Cancerous. Malignant breast tumors can invade and destroy nearby tissue and spread to other parts of the body.

malignant ascites

A condition in which fluid containing breast cancer cells collects in the abdomen.

malnutrition

A disorder caused by a lack of proper nutrition or an inability to absorb nutrients from food.

mammary

Having to do with the breast.

mammary dysplasia

Pronunciation: (MA-muh-ree dis-PLAY-zhuh)

A common condition marked by benign (noncancerous) changes in breast tissue. These changes may include irregular lumps or cysts, breast discomfort, sensitive nipples, and itching. These symptoms may change throughout the menstrual cycle and usually stop after menopause. Also called benign breast disease, fibrocystic breast disease, and fibrocystic breast changes.

mammary gland

Glandular organ located on the chest. The mammary gland is made up of connective tissue, fat, and breast tissue that contains the glands that can make milk. Also called a breast gland.

mammogram

Pronunciation: (MAM-o-gram)

An x-ray of the breast.

mammography

Pronunciation: (mam-OG-ra-fee)

The use of x-rays to create a picture of the breast.

mammoplasty

Reconstructive surgery to change the size, shape or position of the breast. A woman may have mammoplasty on a reconstructed breast or to make her unaffected breast look more like her reconstructed breast. Reduction mammoplasty makes the breast smaller; augmentation mammoplasty makes it larger.

Mammotone

A device that uses a computer-guided probe to perform breast biopsies. A Mammotome biopsy can be done on an outpatient basis with a local anesthetic, removes only a small amount of healthy tissue, and doesn't require sutures (stitches) because the incision is very small.

mantle field

Pronunciation: (MAN-tul)

The area above the diaphragm consisting of the neck, chest, and lymph nodes in the armpit that are exposed to radiation.

manual lymphatic drainage

Also called MLD. A treatment for lymphedema of very light massage that aims to move lymph fluid from the affected limb or area to other parts of the body, so the fluid may be returned to the circulatory system and released through urination.

margin

The edge or border of the tissue removed in breast cancer surgery. The margin is described as negative or clean when the pathologist finds no cancer cells at the edge of the tissue, suggesting that all of the breast cancer has been removed. The margin is described as positive or involved when the pathologist finds cancer cells at the edge of the tissue, suggesting that all of the breast cancer has not been removed.

marijuana

A type of plant. Extracts of marijuana are being studied for their ability to control severe nausea, vomiting, and loss of appetite caused by chemotherapy and/or opioid medications such as morphine.

marker

A diagnostic indication that disease may develop.

mastectomy

Pronunciation: (mas-TEK-toe-mee)

Surgery to remove the breast (or as much of the breast tissue as possible).

mastitis

An inflammation or bacterial infection of the breast. Mastitis does not necessarily indicate breast cancer.

mastopexy

Surgery to lift a sagging breast. A woman may have mastopexy on the unaffected breast to make it look more like her reconstructed breast.

matrix metalloproteinase

A member of a group of enzymes that can break down proteins, such as collagen, that are normally found in the spaces between cells in tissues (i.e., extracellular matrix proteins). Because these enzymes need zinc or calcium atoms to work properly, they are called metalloproteinases. Matrix metalloproteinases are involved in wound healing, angiogenesis, and breast tumor cell metastasis.

mean

A statistics term. The average value in a set of measurements. The mean is the sum of a set of numbers divided by how many numbers are in the set.

mean survival time

The average amount of time that participants in a clinical study remained alive. The time is measured beginning either at diagnosis or the start of treatment.

measurable disease

Any tumor, either the original breast tumor or a metastatic tumor that was caused by the breast cancer, that can be accurately measured in size. This information can be used to judge response to treatment.

medial supraclavicular lymph node

Lymph node located above the collar bone and between the center of the body and a line drawn through the nipple to the shoulder.

median

A statistics term. The middle value in a set of measurements.

median survival time

The time from either diagnosis or treatment at which half of the people with breast cancer are found to be, or expected to be, still alive. In a clinical trial, median survival time is one way to measure how effective a treatment is.

mediastinal pleura

The thin membrane that lines the chest cavity in the area between the lungs.

mediastinoscopy

Pronunciation: (MEE-dee-a-stin-AHS-ko-pee)

A procedure in which a tube is inserted into the chest to view the organs in the area between the lungs and nearby lymph nodes. The tube is inserted through an incision above the breastbone. This procedure is usually performed to get a tissue sample from the lymph nodes on the right side of the chest.

mediastinum

Pronunciation: (mee-dee-a-STYE-num)

The area between the lungs. The organs in this area include the heart and its large blood vessels, the trachea, the esophagus, the bronchi, and lymph nodes.

medical castration

Refers to the use of medications to suppress the function of the ovaries.

medical oncologist

Pronunciation: (MEH-dih-kul on-KOL-oh-jist)

A doctor who specializes in diagnosing and treating breast cancer using chemotherapy, hormonal therapy, and biological therapy. A medical oncologist often is the main healthcare provider for someone who has breast cancer. A medical oncologist also gives supportive care and may coordinate treatment given by other specialists.

medullary breast carcinoma

Pronunciation: (MED-yoo-LAIR-ee)

A rare type of breast cancer marked by lymphocytes (a type of white blood cell) in and around the tumor that can be seen when viewed under a microscope.

mega-voltage linear accelerator

MeV linear accelerator. A machine that creates high-energy radiation to treat breast cancer, using electricity to form a stream of fast-moving subatomic particles. Also called linear accelerator or a linac.

meiosis

A special form of cell division that occurs during the formation of egg and sperm cells in mammals. In meiosis, each of the two "daughter cells" receives half the amount of DNA as the parent cell.

membrane

A very thin layer of tissue that covers a surface.

memory

The cognitive process that allows people to recall information or events. Some women experience difficulties with memory as a side effect of breast cancer diagnosis or treatment.

menarche

The first time a young woman has her menstrual period. Menarche before age 12 is a risk factor for developing breast cancer.

menopausal hormone therapy

Hormones (estrogen, progesterone, or both) given to women after menopause to replace the hormones no longer produced by the ovaries. Also called hormone replacement therapy or HRT.

menopause

Pronunciation: (MEN-uh-pawz)

The time of life when a woman's menstrual periods stop. A woman is in menopause when she hasn't had a period for 12 months in a row. Pre- and peri-menopausal women who have had breast cancer and received chemotherapy treatment may go into premature menopause. Blood tests that measure the level of follicule-stimulating hormone and luteinizing hormone can help determine whether menopause is permanent. Also called "change of life."

menorrhagia

Abnormally heavy menstrual bleeding.

menses

The monthly flow of blood that indicates ovulation.

menstrual cycle

Pronunciation: (MEN-stroo-al)

The monthly cycle of hormonal changes from the beginning of one menstrual period to the beginning of the next.

menstrual period

Pronunciation: (MEN-stroo-al PEER-ee-od)

The periodic discharge of blood and tissue from the uterus. From puberty until menopause, menstruation occurs about every 28 days, but does not occur during pregnancy.

menstruation

Pronunciation: (MEN-stroo-AY-shun)

Periodic discharge of blood and tissue from the uterus. From puberty until menopause, menstruation occurs about every 28 days when a woman is not pregnant.

mental health counselor

A specialist who can talk with women and their families about emotional and personal matters, and can help them make decisions.

mesenchymal

Refers to cells that develop into connective tissue, blood vessels, and lymphatic tissue

metabolic

Having to do with metabolism (the total of all chemical changes that take place in a cell or an organism to produce energy and basic materials needed for important life processes).

metabolic acidosis

Pronunciation: (met-ah-BOL-ik as-id-O-sis)

A condition in which the blood is too acidic. It may be caused by severe illness or sepsis (bacteria in the bloodstream).

metabolic disorder

A condition in which normal metabolic processes are disrupted, usually because of a missing enzyme.

metabolic therapy

Treatment to correct changes in metabolism that can be caused by disease.

metabolism

The total of all chemical changes that take place in a cell or an organism. These changes produce energy and basic materials needed for important life processes.

metaplasia

A change of cells to a form that does not normally occur in the tissue in which it is found.

metaplastic carcinoma

A general term used to describe cancer that begins in cells that have changed into another cell type (for example, a squamous cell of the esophagus changing to resemble a cell of the stomach). In some cases, metaplastic changes alone may mean there is an increased chance of cancer developing at the site.

metastasectomy

Pronunciation: (meh-TAS-ta-SEC-tuh-mee)

Surgery to remove one or more metastases (tumors formed from cells that have spread from the primary breast tumor). When all metastases are removed, it is called a complete metastasectomy.

metastasis

Pronunciation: (meh-TAS-ta-sis)

The spread of breast cancer from one part of the body to another. A tumor formed by cells that have spread is called a "metastatic tumor" or a "metastasis." The metastatic breast tumor contains cells that are like those in the original (primary) breast tumor. The plural form of metastasis is metastases (meh-TAS-ta-seez).

metastasize

Pronunciation: (meh-TAS-ta-size)

To spread from one part of the body to another. When breast cancer cells metastasize and form secondary tumors, the cells in the metastatic tumor are like those in the original (primary) breast tumor.

metastatic

Pronunciation: (MET-uh-STAT-ik)

Having to do with metastasis, which is the spread of breast cancer from one part of the body to another.

metastatic cancer

Cancer that has spread from the breast to other parts of the body.

metastatic disease

Cancer that has spread from the breast to other parts of the body.

metasynchronous

Occurring at nearly the same time.

meteorism

Swelling of the abdomen caused by gas in the intestines or peritoneal cavity. Also called tympanites.

Mexican valerian

Valeriana officinalis. A plant whose roots are used as a sedative and to treat certain medical conditions. It is being studied as a way to improve sleep in cancer patients undergoing treatment. Also called valerian, garden valerian, Indian valerian, Pacific valerian, garden heliotrope, and Valerianae radix.

microcalcification

Pronunciation: (MY-krow-kal-si-fi-KAY-shun)

A tiny deposit of calcium in the breast that cannot be felt but can be detected on a mammogram. A cluster of these very small specks of calcium may indicate that breast cancer is present.

microgram

One millionth of a gram.

micrometastases

Small numbers of breast cancer cells that have spread from the primary breast tumor to other parts of the body and are too few to be picked up in a screening or diagnostic test.

micromolar

Pronunciation: (MY-kroh-MOH-lur)

A concentration of 1/1,000,000 (one millionth) molecular weight per liter (mol/L).

micronutrient

Pronunciation: (MY-kroh-NOO-tree-ent)

A substance the body needs in tiny amounts to grow and stay healthy. Examples are vitamins and minerals.

microorganism

An organism that can be seen only through a microscope. Microorganisms include bacteria, protozoa, algae, and fungi. Viruses are sometimes classified as microorganisms, although they are not considered living organisms.

microsatellite

A short sequence of DNA, usually 1 to 4 basepairs (a unit of DNA), that is repeated together in a row along the DNA molecule. There is variation from person to person in the number of repeats. There are hundreds of places in human DNA that contain microsatellites.

microsatellite instability

MSI. A change that occurs in the DNA of certain cells (such as breast tumor cells) in which the number of repeats of microsatellites (short, repeated sequences of DNA) is different than the number of repeats that was in the DNA when it was inherited. The cause of MSI may be a defect in the ability to repair mistakes made when DNA is copied in the cell.

microscopic

Too small to be seen without a microscope.

microwave therapy

A type of treatment in which body tissue is exposed to high temperatures to damage and kill breast cancer cells or to make breast cancer cells more sensitive to the effects of radiation and certain anticancer drugs. Also called microwave thermotherapy.

microwave thermotherapy

A type of treatment in which body tissue is exposed to high temperatures to damage and kill breast cancer cells or to make breast cancer cells more sensitive to the effects of radiation and certain anticancer drugs. Also called microwave therapy.

milk thistle

A plant that has been used in some cultures to treat certain medical problems, including stomach, liver, and gallbladder disorders. The active extract of milk thistle seeds is called silymarin. It is being studied in the prevention of liver damage caused by some cancer treatments. Also called Silybum marianum.

milligram

A measure of weight. A milligram is approximately 450,000 times smaller than a pound and 28,000 times smaller than an ounce.

milliliter

A measure of volume for a liquid. A milliliter is approximately 950 times smaller than a quart and 30 times smaller than a fluid ounce. A milliliter of liquid and a cubic centimeter (cc) of liquid are the same.

millimeter

A measure of length in the metric system. A millimeter is one thousandth of a meter. There are 25 millimeters in an inch.

mindfulness relaxation

A type of meditation based on the concept of being "mindful," or having increased awareness, of the present. It uses breathing methods, guided imagery, and other practices to relax the body and mind and help reduce stress.

mineral

A nutrient required to maintain health.

miraluma test

A type of breast imaging test that is used to detect cancer cells in the breasts of some women who have had abnormal mammograms, or who have dense breast tissue. The Miraluma test is not used for screening, or in place of a mammogram. In this test, a woman receives an injection of a small amount of a radioactive substance called technetium 99, which is taken up by cancer cells, and a gamma camera is used to take pictures of the breasts. Also called scintimammography and sestamibi breast imaging.

mistletoe

A semiparasitic plant that grows on some types of trees. Mistletoe extracts are being studied as treatments for breast cancer.

mistletoe lectin

A substance that comes from the mistletoe plant and that is being studied as a treatment for breast cancer. A lectin is a complex molecule that has both protein and sugars. Lectins are able to bind to the outside of a cell and cause biochemical changes in it. Lectins are made by both animals and plants.

mitigate

To make milder or less painful.

mitochondria

Parts of a cell where aerobic production (also called cell respiration) takes place.

mitosis

A form of cell division that occurs in all of the somatic cells or body cells of mammals. In mitosis, each daughter cell receives the same amount of DNA as the parent cell.

mitotic activity

Having to do with the presence of dividing (proliferating) cells. Cancerous tissue generally has more mitotic activity than normal tissues.

mitotic index

In a population of cells, the ratio of the number of cells undergoing mitosis (cell division) to the number of cells not undergoing mitosis.

mitotic inhibitor

A medication that inhibits cell growth by stopping cell division. Mitotic inhibitors are used as treatments for breast cancer. Also called antimitotic or antimicrotubule agents and taxanes. Docetaxel (brand name: Taxotere) and paclitaxel (brand name: Taxol) are mitotic inhibitors.

modality

A method of treatment. For example, surgery and chemotherapy are treatment modalities.

modified radical mastectomy

Pronunciation: (mas-TEK-toe-mee)

Surgery for breast cancer in which the breast, most or all of the lymph nodes under the arm, and the lining over the chest muscles are removed. Sometimes the surgeon also removes part of the chest wall muscles.

modulate

To adjust, or change.

molecular mass

The sum of the atomic masses of all atoms in a molecule, based on a scale in which the atomic masses of hydrogen, carbon, nitrogen, and oxygen are 1, 12, 14, and 16, respectively. For example, the molecular mass of water, which has two atoms of hydrogen and one atom of oxygen, is 18 (i.e., 2 + 16).

molecular risk assessment

A procedure in which biomarkers (for example, biological molecules or changes in breast tumor cell DNA) are used to estimate a person's risk for developing breast cancer. Specific biomarkers may be linked to particular types of cancer. For example, CA 15-3 is a biomarker for breast cancer.

molecularly targeted therapy

Substances that kill breast cancer cells by targeting key molecules involved in cancer cell growth.

molecule

The smallest particle of a substance that has all of the physical and chemical properties of that substance. Molecules are made up of one or more atoms. If they contain more than one atom, the atoms can be the same (an oxygen molecule has two oxygen atoms) or different (a water molecule has two hydrogen atoms and one oxygen atom). Biological molecules, such as proteins and DNA, can be made up of many thousands of atoms.

monoclonal antibody

Pronunciation: (MAH-no-KLO-nul AN-tih-BAH-dee)

A laboratory-produced substance that can locate and bind to specific proteins that reside on the surface of breast cancer cells. Monoclonal antibodies can be used alone to identify abnormal cells and stimulate the immune system, or they can be used to deliver medications, toxins, or radioactive material directly to a breast tumor. For example, trastuzumab (brand name: Herceptin) is one monoclonal antibody that targets the HER2/neu protein on the surface of certain kinds of breast cancer cells.

monoclonal gammopathy of undetermined significance

MGUS. A benign condition in which there is a high level of a protein called M protein in the blood. Patients with MGUS are at an increased risk of developing breast cancer.

monocyte

A type of white blood cell.

morbidity

A disease or the incidence of disease within a population. Morbidity also refers to adverse effects caused by a treatment.

morinda citrifolia

A tropical shrub. An extract from the fruit is being studied as a treatment for breast cancer, and extracts from the fruit, leaves, or roots have been used in some cultures to treat other diseases. Also called noni.

morphine

A narcotic medication used in the treatment of pain.

morphology

The science of the form and structure of organisms (plants, animals, and other forms of life).

motor

In medicine, having to do with the movement of body parts.

MRI

Magnetic resonance imaging (mag-NET-ik REZ-o-nans IM-a-jing). A procedure in which radio waves and a powerful magnet linked to a computer are used to create detailed pictures of areas inside the body. These pictures can show the difference between normal and diseased tissue. MRI makes better images of organs and soft tissue than other scanning techniques, such as CT or x-ray. MRI is especially useful for imaging the brain, spine, the soft tissue of joints, and the inside of bones. Also called nuclear magnetic resonance imaging (NMRI).

MRSI

Magnetic resonance spectroscopic imaging. A noninvasive imaging method that provides information about cellular activity (metabolic information). It is used along with magnetic resonance imaging (MRI), which provides information about the shape and size of the breast tumor (spacial information).

mucin/peptide

A protein/sugar compound made by some breast cancer cells.

mucinous

Pronunciation: (MYOO-sin-us)

Containing or resembling mucin, the main compound in mucus.

mucinous carcinoma

Pronunciation: (MYOO-sin-us kar-sin-O-ma)

A type of cancer that begins in cells that line certain internal organs and produce mucin (the main component of mucus).

mucosa

The moist tissue that lines some organs and body cavities (such as the nose, mouth, lungs) and makes mucus (a thick, slippery fluid). Also called mucous membrane.

mucositis

A complication of some breast cancer therapies in which the lining of the digestive system becomes inflamed. Often seen as sores in the mouth.

mucous membrane

Pronunciation: (MYOO-kus)

The moist tissue that lines some organs and body cavities (such as the nose, mouth, lungs) and makes mucus (a thick, slippery fluid). Also called mucosa.

mucus

Pronunciation: (MYOO-kus)

A thick, slippery fluid made by the membranes that line certain organs of the body, including the nose, mouth, throat, and vagina.

multicenter study

A clinical trial that is carried out at more than one medical institution.

multicentric breast cancer

Pronunciation: (mul-tee-SEN-trik)

Breast cancer in which there is more than one tumor, all of which have formed separately from one another. The tumors are likely to be in different quadrants (sections) of the breast. Multicentric breast cancers are rare.

multidisciplinary

In medicine, a term used to describe a treatment planning approach or team that includes a number of doctors and other healthcare professionals who are experts in different specialties (disciplines). In breast cancer treatment, the primary disciplines are medical oncology (treatment with drugs), surgical oncology (treatment with surgery), and radiation oncology (treatment with radiation). Nurses and social workers also are often part of the multidisciplinary team

multidisciplinary opinion

A treatment planning approach in which a number of doctors who are experts in different specialties (disciplines) review and discuss the medical condition and treatment options of a person. In breast cancer treatment, a multidisciplinary opinion may include that of a medical oncologist (who provides breast cancer treatment with medications), a surgical oncologist (who provides breast cancer treatment with surgery), and a radiation oncologist (who provides breast cancer treatment with radiation). Also called a tumor board review.

multidrug resistance

Adaptation of tumor cells to anticancer medications in ways that make the medicines less effective.

multidrug resistance inhibition

Treatment used to make breast cancer cells less resistant to anticancer medications.

multifocal breast cancer

Pronunciation: (mul-tee-FO-kal)

Breast cancer in which there is more than one tumor, all of which have arisen from one original tumor. The tumors are likely to be in the same quadrant (section) of the breast.

multimodality treatment

Therapy that combines more than one method of treatment.

multiplicity

A large number or variety.

multitasking

The cognitive function that allows people to do more than one thing at the same time. Some women affected by breast cancer experience difficulty with multitasking as a side effect of certain treatments.

mung bean

A type of bean grown in warm climates, usually for its seed and for bean sprouts. Mung bean may have anticancer effects.

musculoskeletal

Having to do with muscles, bones, and cartilage.

mutate

To change the genetic material of a cell. The changes (mutations) can be harmful, beneficial, or have no effect.

mutation

Any change in the DNA of a cell. Mutations may be caused by mistakes during cell division, or they may be caused by exposure to DNA-damaging agents in the environment. Mutations can be harmful, beneficial, or have no effect. If they occur in cells that make eggs or sperm, they can be inherited; if mutations occur in other types of cells, they are not inherited. Certain mutations may lead to breast cancer or other diseases.

myalgia

Pronunciation: (my-AL-juh)

Pain in a muscle or group of muscles. Myalgia is a side effect of some breast cancer treatments.

myelin

Pronunciation: (MY-eh-lin)

The fatty substance that covers and protects nerves.

myeloablation

A severe form of myelosuppression. Myelosuppression is a condition in which bone marrow activity is decreased, resulting in fewer red blood cells, white blood cells, and platelets. It is a side effect of some breast cancer treatments.

myelosuppression

A condition in which bone marrow activity is decreased, resulting in fewer red blood cells, white blood cells, and platelets. Myelosuppression is a side effect of some breast cancer treatments. When myelosuppression is severe, it is called myeloablation.

myelosuppressive therapy

Treatment that inhibits blood cell production.

myometrium

Pronunciation: (mye-o-MEE-tree-um)

The muscular outer layer of the uterus.

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