| MS | <neurology> The abbreviation for multiple sclerosis is MS. It is a disease which results in destruction of nerve sheaths resulting in scarring (fibrosis). Commonly presents with its first attack between the ages of 20 and 40. Common symptoms include double vision, extremity weakness, numbness, bladder dysfunction and movement or coordination problems. (13 Nov 1997) |
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| MS-1 hepatitis | A virus disease with a short incubation period (usually 15 to 50 days), caused by hepatitis A virus, a member of the family Picornaviridae, often transmitted by faecal-oral route; may be inapparent, mild, severe, or occasionally fatal and occurs sporadically or in epidemics, commonly in school-age children and young adults; necrosis of periportal liver cells with lymphocytic and plasma cell infiltration is characteristic and jaundice is a common symptom. Synonym: epidemic hepatitis, hepatitis A, infectious hepatitis, MS-1 hepatitis, short incubation hepatitis, virus A hepatitis. (05 Mar 2000) |
| MS2 polymerase | <enzyme> Used in formation of fusion proteins Registry number: EC 2.7.7.- (26 Jun 1999) |
| MSAFP | Abbreviation for maternal serum alpha-fetoprotein. (12 Dec 1998) |
| MSB trichrome stain | <technique> A stain for fibrin using martius yellow, brilliant crystal scarlet 6R, and soluble blue; fibrin is selectively stained red and connective tissue appears blue. (05 Mar 2000) |
| mscf | One million standard cubic feet. (05 Dec 1998) |
| msec | <abbreviation> Millisecond. (05 Mar 2000) |
| msh | <chemical> Peptide hormones secreted by the intermediate lobe of the pituitary that stimulate melanin release and dispersal. Melanocyte-stimulating hormones are also found in the brain where they are presumed to play a signaling role. Chemical name: Melanotropin (12 Dec 1998) |
| msh release-inhibiting hormone | <chemical> An oligopeptide hormone produced in the hypothalamus that inhibits the release of melanocyte-stimulating hormone (msh). Chemical name: Melanostatin (12 Dec 1998) |
| msh-releasing hormone | A polypeptide hormone which originates in the hypothalamus and stimulates secretion of melanocyte-stimulating hormones in the pituitary gland. (12 Dec 1998) |
| MSP 1 proteinase | <enzyme> Basic serine proteinase from bothrops moojeni (caissaca) venom; causes platelet aggregation Registry number: EC 3.4.21.- Synonym: caissaca msp 1 proteinase (26 Jun 1999) |
| MSP 2 proteinase | <enzyme> Basic serine protease from bothrops moojeni (caisacca) venom; has much higher tame hydrolase activity than msp 1; but does not have platelet aggregation activity Registry number: EC 3.4.21.- Synonym: caissaca msp 2 proteinase (26 Jun 1999) |
| MST1 protein kinase | <enzyme> Mst1 - mammalian sterile twenty-like; homologous to ste20; genbank u18297; do not confuse with the monosaccharide transporter mst1 protein Registry number: EC 2.7.10.- (26 Jun 1999) |
| MST2 kinase | <enzyme> 78% identical to mst1; a human homolog to yeast ste20 protein kinase family; genbank u26424 Registry number: EC 2.7.10.- Synonym: mst2 protein kinase (26 Jun 1999) |