| MJ | Machado-Joseph [disease]; marijuana; megajoule |
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| MJAD | Machado-Joseph Azorean disease |
| MJD | Machado-Joseph disease; Mseleni joint disease |
| AFTN | autonomously functioning thyroid nodule |
| HAN | heroin-associated nephropathy; hyperplastic alveolar nodule |
| MJD | Machado Joseph Disease |
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| SCE | Sister Chromatid Exchange |
| SCD | Sister chromatid differentiation |
| AFTN | Autonomously functioning thyroid nodule |
| RN | recombination nodule |
| Sister Joseph's nodule | A malignant intra-abdominal neoplasm metastatic to the umbilicus. (05 Mar 2000) |
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| Sister Mary Joseph Dempsey | Superintendent at Saint Mary's hospital, Mayo Clinic, and surgical assistant to Dr. William Mayo, c. 1928, 1856-1929. See: Sister Joseph's nodule. (05 Mar 2000) |
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| sister | 1. A female who has the same parents with another person, or who has one of them only. In the latter case, she is more definitely called a half sister. The correlative of brother. "I am the sister of one Claudio." (Shak) 2. A woman who is closely allied to, or assocciated with, another person, as in the sdame faith, society, order, or community. 3. One of the same kind, or of the same condition; generally used adjectively; as, sister fruits. Sister Block See Charity, and Mercy. Origin: OE. Sister, fr. Icel. Systir; also suster, from AS. Sweostor, sweoster, swuster, akin to OFries. Sweester, suster, LG. Suster, suster, D. Zuster, OS. & OHG. Swestar, G. Schwester, Icel. Systir, Sw. Syster, Dan. Soster, Goth. Swistar, Lith. Ses, Russ. Sestra, Pol. Siostra, L. Soror, Skr. Svasr. Cf. Cousin. Source: Websters Dictionary (01 Mar 1998) |
| sister chromatid | One of the two chromatids making up a bivalent. Both are semi conservative copies of the original chromatid. (18 Nov 1997) |
| sister chromatid exchange | An aberrant crossing-over event in which there is an exchange of segments between the sister chromatids of a chromosome, either between the sister chromatids of a meiotic tetrad or between the sister chromatids of a duplicated somatic chromosome. It can be induced by ultraviolet and ionizing radiation or by mutagenic agents and is observed by autoradiography. (12 Dec 1998) |
| Arantius' nodule | A nodule at the centre of the free border of each semilunar valve at the beginning of the pulmonary artery and aorta. Synonym: nodulus valvulae semilunaris, Arantius' nodule, Bianchi's nodule, corpus arantii, Morgagni's nodule. (05 Mar 2000) |
| Bianchi's nodule | A nodule at the centre of the free border of each semilunar valve at the beginning of the pulmonary artery and aorta. Synonym: nodulus valvulae semilunaris, Arantius' nodule, Bianchi's nodule, corpus arantii, Morgagni's nodule. (05 Mar 2000) |
| recombination nodule | <molecular biology> Protein containing assemblies of about 90 nm diameter placed at intervals in the synaptonemal complexes that develop between homologous chromosomes at the zygotene stage of meiosis. Some nodules may be associated with the site of recombination. (18 Nov 1997) |
| rheumatic nodule | A small round or oval, mostly subcutaneous nodule made up chiefly of a mass of aschoff bodies and seen in cases of rheumatic fever. It is differentiated from the rheumatoid nodule which appears in rheumatoid arthritis, most frequently over bony prominences. (12 Dec 1998) |
| rheumatoid nodule | Subcutaneous nodules seen in 20-30% of rheumatoid arthritis patients. They may arise anywhere on the body, but are most frequently found over the bony prominences. The nodules are characterised histologically by dense areas of fibrinoid necrosis with basophilic streaks and granules, surrounded by a palisade of cells, mainly fibroblasts and histiocytes. (12 Dec 1998) |
| root nodule | <plant biology> Globular structure formed on the roots of certain plants, notably legumes and alder, by symbiotic association between the plant and a nitrogen fixing microorganism (Rhizobium in the case of legumes and Frankia in the case of alder and a variety of other plants). (18 Nov 1997) |
| milker's nodule virus | A virus in the family Poxviridae. (05 Mar 2000) |
| cold nodule | A thyroid nodule with a much lower uptake of radioactive iodine than the surrounding parenchyma; about one in four prove to be malignant. (05 Mar 2000) |
| cold thyroid nodule | <radiology> Adenoma (75%), colloid cyst (10%), carcinoma (15%), mnemonic: CATCH PALLM colloid cyst, adenoma, thyroiditis, carcinoma, haematoma, parathyroid adenoma, abscess, lymph node, lymphoma, metastasis thyroid carcinoma, hot thyroid nodule (12 Dec 1998) |
| Morgagni's nodule | A nodule at the centre of the free border of each semilunar valve at the beginning of the pulmonary artery and aorta. Synonym: nodulus valvulae semilunaris, Arantius' nodule, Bianchi's nodule, corpus arantii, Morgagni's nodule. (05 Mar 2000) |
| primary nodule | A lymphatic nodule having small lymphocytes and lacking a germinal centre. (05 Mar 2000) |
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