| parent cell | A cell which, by division, gives rise to two or more daughter cell's. Synonym: brood cell, metrocyte, parent cell. (05 Mar 2000) |
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| parent | 1. One who begets, or brings forth, offspring; a father or a mother. "Children, obey your parents in the Lord." (Eph. Vi. 1) 2. That which produces; cause; source; author; begetter; as, idleness is the parent of vice. "Regular industry is the parent of sobriety." (Channing) Parent cell. <biology> A nucleus which, in cell division, divides, and gives rise to two or more daughter nuclei. See Karyokinesis, and Cell division, under Division. Origin: L. Parens, -entis; akin to parere to bring forth; cf. Gr. To give, beget: cf. F. Parent. Cf. Part. Source: Websters Dictionary (01 Mar 1998) |
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| parent artery | <anatomy, artery> The artery giving origin to a given artery; the artery of which a given artery is a branch. (05 Mar 2000) |
| parent-child relations | The interactions between parent and child. (12 Dec 1998) |
| parent cyst | A hydatid cyst from the inner, or germinal, layer, from which secondary cyst's containing scoleces (daughter cyst's) are developed; sometimes tertiary cyst's (granddaughter cyst's) are developed within the daughter cyst's; occurs most frequently in the liver, but may be found in other organs and tissues; symptoms are those of a tumour of the part affected. Synonym: parent cyst. (05 Mar 2000) |
| parent material | <ecology> The unconsolidated and more or less weathered mineral or organic matter from which the soil profile is developed. (09 Oct 1997) |
| single parent | An unmarried natural, adoptive, or substitute parent of a dependent child, whether living with or visiting the child. To be used also for single-parent families. The concept includes the never-married, as well as the divorced and widowed. (12 Dec 1998) |
| unconsolidated parent material | <ecology> Material from which a soil develops. (09 Oct 1997) |
| T-cell-rich, B-cell lymphoma | <tumour> A B-cell lymphoma in which more than 90% of the cells are of T-cell origin, masking the large cells that form the neoplastic B-cell component. See: adult T-cell lymphoma. (05 Mar 2000) |
| absorption cell | A small glass chamber with parallel sides, in which absorption spectra of solutions can be obtained. (05 Mar 2000) |
| acid cell | One of the cell's of the gastric glands; it lies upon the basement membrane, covered by the chief cell's, and secretes hydrochloric acid that reaches the lumen of the gland through fine intracellular and intercellular canals (canaliculi). Synonym: acid cell, oxyntic cell. (05 Mar 2000) |
| acidophil cell | A cell whose cytoplasm or its granules stain with acid dyes. (05 Mar 2000) |
| acinar cell | Any secreting cell lining an acinus, especially applied to the cell's of the pancreas that furnish pancreatic juice and enzymes to distinguish them from the cell's of ducts and the islets of Langerhans. Synonym: acinous cell. (05 Mar 2000) |
| acinar cell tumour | A solid and cystic tumour of the pancreas, occurring in young women; tumour cells contain zymogen granules. (05 Mar 2000) |
| acinic cell adenocarcinoma | <tumour> An adenocarcinoma arising from secreting cells of a racemose gland, particularly the salivary glands. Synonym: acinar carcinoma, acinic cell carcinoma, acinose carcinoma, acinous carcinoma. (05 Mar 2000) |
| acinic cell carcinoma | <tumour> An adenocarcinoma arising from secreting cells of a racemose gland, particularly the salivary glands. Synonym: acinar carcinoma, acinic cell carcinoma, acinose carcinoma, acinous carcinoma. (05 Mar 2000) |