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Malignant fibrous histiocytoma
Malignant fibrous histiocytoma Malignant fibrous histiocytoma is a sarcoma that usually begins in soft tissue. It usually appears as an enlarging, painful mass that can cause fracture due to destruction of the bone by a spreading tumor.
RELATED TERMS--------------------------------------
Malignant
Cancerous; life-threatening.
Histiocytoma
A common neoplasm of young dogs composed of round histiocytic cells, thought to be Langerhan's cells. Most tumors spontaneously regress.
Sarcoma
A cancer of the bone, cartilage, fat, muscle, blood vessels or other connective or supportive tissue. A sarcoma is also defined as malignant mesenchymal neoplasm; e.g. osteosarcoma, (malignant mesenchymal neoplasm arising from bone tissue). Malignant tumor of soft tissue (tissue that connects, supports or surrounds other structures and organs of the body). Soft tissue includes muscles, tendons, fibrous tissues, fat, blood vessels and nerves.
Tissue
Biological tissue is a group of cells that perform a similar function.The study of tissues is known as histology, or, in connection with disease, histopathology.The classical tools for studying the tissues are the wax block, the tissue stain, and the optical microscope, though developments in electron microscopy, immunofluorescence, and frozen sections have all added to the sum of knowledge in the last couple of decades.
Fracture
Broken, especially a broken bone.
Bone
Bone refers either to a hardened connective tissue or to one of the individual structures, or organs, into which it is formed, found in many animals. Bones support body structures, protect internal organs, and (in conjunction with muscles) facilitate movement; are also involved with cell formation, calcium metabolism, and mineral storage. The bones of an animal are, collectively, known as the skeleton.
Tumor
Overgrowth of tissue.
SIMILAR TERMS--------------------------------------
Malignancy
A tendency to worsen to a more serious illness or death. Commonly used to describe cancer.
Malignant
Cancerous; life-threatening.
Malignant mesothelioma
A very rare form of cancer linked to asbestos exposure that occurs in the sac lining of the chest (pleural mesothelioma) or abdomen (peritoneal mesothelioma), or the lining of the heart (pericardial mesothelioma).
Malignant tumor
A mass of cancer cells that may invade surrounding tissues or spread to distant areas of the body.
Malingering
Deliberate exaggeration of the symptoms of an illness or injury for gain. For example, pretending to be ill in order to escape duty or work.
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Morning after pill
The morning-after pill, also known as emergency contraception or emergency birth control, is a pill regimen that a woman can take up to three days after she has had sexual intercourse to prevent the implantation of a fertilized egg in her uterus. The term morning-after pill is a misnomer that is falling out of use (replaced by emergency contraceptive pills or ECPs) due to the fact that it is effective for up to 120 hours after sex.
Microcomedo
The first stage of comedo formation; a comedo so small that it can be seen only with a microscope.
Marihuana
Also called marijuana, weed, pot, reefer, grass, dope, ganja, mary jane, and hash. It is the drug most often used worldwide. It is a mix of dried, shredded flowers and leaves of the hemp plant (Cannabis sativa). Most users roll loose marijuana into a cigarette (called a "joint"). The drug can also be smoked in a water pipe, called a "bong" Some users mix marijuana into food or use it to brew a tea. Hash users either smoke the drug in a pipe or mix it with tobacco and smoke it as a cigarette.
Marijuana
Also called marihuana, weed, pot, reefer, grass, dope, ganja, mary jane, and hash. It is the drug most often used worldwide. It is a mix of dried, shredded flowers and leaves of the hemp plant (Cannabis sativa). Most users roll loose marijuana into a cigarette (called a "joint"). The drug can also be smoked in a water pipe, called a "bong" Some users mix marijuana into food or use it to brew a tea. Hash users either smoke the drug in a pipe or mix it with tobacco and smoke it as a cigarette.
Methamphetamine
A central nervous system stimulant similar to amphetamine sulfate but more potent. It is a member of the amphetamine class and is preferred by habitual amphetamine users. In intravenous form, it produces an almost instantaneous onset of the drug's effect. Slang names include "meth," "speed," and "crystal."
Malignant fibrous histiocytoma
Malignant
Cancerous; life-threatening.
Mammogram
Breast x-ray used to detect breast cancer.
Managed care
Medical insurance coverage provided by a health maintenance organization (See HMO above).
Mastectomy
Surgical removal of the entire breast. Radical mastectomy is surgical removal of the breast muscle and any number of lymph nodes; bilateral mastectomy is surgical removal of both breasts.
MUD
Matched Unrelated Transplants. Refers to bone marrow transplantation procedures in which the patient and the bone marrow are genetically matched but not family members.
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