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| OMI | Oocyte Maturation Inhibitor |
|---|---|
| AML | Acute Myelogenous Leukemia Morphologic Classification(FABºÐ·ù) &n... |
| BPTI | basic pancreatic trypsin inhibitor; basic polyvalent trypsin inhibitor; bovine pancreatic trypsin in... |
| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |
| ESI | elastase-specific inhibitor; enzyme substrate inhibitor; epidural steroid injection |
| OMI | Oocyte Maturation Inhibitor |
|---|---|
| COC | Cumulus oocyte complex |
| OCC | oocyte cumulus complex |
| OPU | oocyte pick-up |
| GMF | Glia Maturation Factor |
| primary oocyte | <cell biology, gynaecology> The enlarging ovum before maturity is reached, as opposed to the secondary oocyte or polar body. (18 Nov 1997) |
|---|---|
| secondary oocyte | <gynaecology> An oocyte which arises from the primary oocyte (which was diploid) after it completes the first meiotic division after the body has become sexually mature. The secondary oocyte eventually divides into the mature egg or ovum (which is haploid) and a polar body (which degenerates), thus ending the second meiotic division. (13 Nov 1997) |
| oocyte | The developing female gamete before completion and release. The female germ cells in stages between the prophase of the first maturation division and the completion of the second maturation division. (21 Jun 2000) |
| oocyte donation | <gynaecology> Transfer of egg cell from donor to host mother. Oocytes are captured by laparoscopy, fertilised in vitro, and transferred to the recipient. Used for women with premature ovarian failure or severe genetic disorders, women who respond poorly to human menopausal gonadotropin, and women older than 40 years who do not conceive with use of other therapies. (21 Jun 2000) |
| oocyte expression | <molecular biology> Technique whereby the cellular machinery of an oocyte (typically that of Xenopus) is utilised to transcribe functional protein from microinjected RNA. (18 Nov 1997) |
| maturation | 1. Achievement of full development or growth. 2. Developmental changes that lead to maturity. 3. Processing of a macromolecule; e.g., posttranscriptional modification of RNA or posttranslational modification of proteins. Origin: L. Maturatio, a ripening, fr. Maturus, ripe (05 Mar 2000) |
| maturation arrest | Cessation of complete differentiation of cells at an immature stage; in spermatogenic maturation arrest, the seminiferous tubules contain spermatocytes, but no spermatozoa develop. (05 Mar 2000) |
| maturation factor | <biochemistry> Member of the water soluble B vitamin group, important in the proper function of the nervous system and important in proper carbohydrate, protein and fat metabolism. (27 Sep 1997) |
| maturation index | An index indicating the degree of maturation attained by the vaginal epithelium as adjudged by the cell types being exfoliated; serves as an objective means of evaluating hormonal secretion or response; represents the percentage of parabasal cells/intermediate cells/superficials, in that order; "shift to the left" indicates more immature cells on the surface (atrophy), while "shift to the right" indicates more mature epithelium. (05 Mar 2000) |
| maturation-promoting factor | <enzyme> A protein kinase that drives both the mitotic and meiotic cycles in all eukaryotic organisms. In meiosis it induces immature oocytes to undergo meiotic maturation. In mitosis it has a role in the G2/M phase transition. Once activated by cyclins, maturation-promoting factor directly phosphorylates some of the proteins involved in nuclear envelope breakdown, chromosome condensation, spindle assembly, and the degradation of cyclins. The catalytic subunit of maturation-promoting factor is protein p34cdc2. Acronym: MPF (12 Dec 1998) |
| maturation value | An indicator of the level of maturation attained by vaginal epithelium and used as a factor in cytohormonal evaluation from the maturation index by valuing the parabasal cells at 0.0, the intermediate cells at 0.5, and the superficial cells at 1.0; for special investigations, subtypes of a major cell can be given different values's. (05 Mar 2000) |
| sex maturation | Achievement of full sexual capacity. Applies to animals and humans. (12 Dec 1998) |
| sperm maturation | Posttesticular ripening of spermatozoa. (12 Dec 1998) |
| erythrocyte maturation factor | <biochemistry> Member of the water soluble B vitamin group, important in the proper function of the nervous system and important in proper carbohydrate, protein and fat metabolism. (27 Sep 1997) |
| a1-trypsin inhibitor | A glycoprotein that is the major protease inhibitor of human serum, is synthesised in the liver, and is genetically polymorphic due to the presence of over 20 alleles; individuals appropriately homozygous are deficient in a1-trypsin and are predisposed to pulmonary emphysema and juvenile hepatic cirrhosis because of alterations in the amino acid and sialic acid components of the glycoprotein. A1-Antitrypsin also inhibits thrombin. Synonym: a1-trypsin inhibitor, human a1-proteinase inhibitor. (05 Mar 2000) |
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