| HACR | hereditary adenomatosis of the colon and rectum |
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| SPA | salt-poor albumin; sheep pulmonary adenomatosis; sperm penetration assay; spinal progressive amyotro... |
| FAMMM | familial atypical multiple mole-melanoma [syndrome] |
| FMFD | V familial multiple coagulation factor deficiency V |
| MCS | malignant carcinoid syndrome; managed care system; massage of the carotid sinus; mesocaval shunt; me... |
| multiple chemical sensitivity | An acquired disorder characterised by recurrent symptoms, referable to multiple organ systems, occurring in response to demonstrable exposure to many chemically unrelated compounds at doses far below those established in the general population to cause harmful effects. No single widely accepted test of physiologic function can be shown to correlate with symptoms. (cullen mr. The worker with multiple chemical sensitivities: an overview. Occup med 1987;2(4):655-61) (12 Dec 1998) |
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| multiple cloning site | Region of a phage or plasmid vector that has been engineered to contain a series of restriction sites that are usually unique within the entire vector. This makes it particularly easy to insert or excise (subclone) DNA fragments. (18 Nov 1997) |
| multiple drug resistant tuberculosis | A strain of TB that does not respond to two or more standard anti-TB drugs. MDR-TB usually occurs when treatment is interrupted thus allowing mutations in the organism to occur that confer drug resistance. (09 Oct 1997) |
| multiple ego states | Various psychological organizational state's reflecting different personas or life experiences. (05 Mar 2000) |
| multiple embolism | Embolism caused by the arrest of a number of small emboli. (05 Mar 2000) |
| multiple epiphysial dysplasia | A dominantly inherited abnormality of epiphyses characterised by difficulty in walking, pain and stiffness of joints, stubby fingers, and often dwarfism of short-limb type; on X-ray examination, the epiphyses are mottled and irregular; ossification centres are late in appearance and may be multiple, but the vertebrae are normal. There is also an autosomal recessive form . Synonym: dysplasia epiphysialis multiplex. (05 Mar 2000) |
| multiple exostosis | A disturbance of enchondral bone growth in which multiple, generally benign osteochondromas of long bones appear during childhood, commonly with shortening of the radius and fibula; the ill-effects are usually mechanical but malignant change is rare; autosomal dominant inheritance. Synonym: diaphysial aclasis, hereditary deforming chondrodystrophy, multiple exostosis, osteochondromatosis. (05 Mar 2000) |
| multiple fission | Division of the nucleus, simultaneously or successively, into a number of daughter nuclei, followed by division of the cell body into an equal number of parts, each containing a nucleus. (05 Mar 2000) |
| multiple fracture | Fracture at two or more places in a bone. See: segmental fracture. Fracture of several bones occurring simultaneously. (05 Mar 2000) |
| multiple gestation | <radiology> Incidence: 1% of all births, twins in 1:85; triplets in 1:85x85; etc, uterus large for dates, may have elevated hCG, hPL, and aFP, at risk for IUGR: monochorionic-monoamniotic more than , monochorionic-diamniotic more than , dichorionic-diamniotic findings: 2 placentas indicate dichorionic-diamniotic, 1 placenta indicates monochorionic pregnancy or dichorionic pregnancy with fused placenta, separating membranes confirms diamniotic pregnancy (12 Dec 1998) |
| multiple glandular deficiency syndrome | <syndrome> Acquired deficiency of the function of several endocrine glands, usually on an auto-immune basis. Synonym: multiple glandular deficiency syndrome. (05 Mar 2000) |
| multiple hamartoma syndrome | Hypertrichosis and gingival fibromatosis from infancy, accompanied by postpubertal fibroadenomatous breast enlargement; papules of the face are characteristic of multiple trichilemmomas. Synonym: multiple hamartoma syndrome. (05 Mar 2000) |
| multiple idiopathic haemorrhagic sarcoma | <oncology, tumour> A type of vascular cancer characterised by soft purple nodules that usually develop first on the feet and then slowly spread across the skin.This cancer is most often found in people with compromised immune systems, such as AIDS patients. (09 Oct 1997) |
| multiple infection | <epidemiology> An infection in which an individual is infected by parasites of more than one species. (05 Dec 1998) |
| multiple intestinal polyposis | Begins usually in late childhood; polyps increase in numbers, causing symptoms of chronic colitis, and carcinoma of the colon almost invariably develops in untreated cases; autosomal dominant inheritance. In the Gardner syndrome there are extracolonic changes (desmoid tumours, etc.). Synonym: polyposis coli. Hamartomatous polyposis of the small or large intestine, Peutz-Jeghers syndrome with melanin spots on the lips, less common, miscellaneous, rare, and doubtful occurrences. Synonym: familial intestinal polyposis. (05 Mar 2000) |