| parenchymal atelectasis | The collapse that occurs when pulmonary air is absorbed and not replaced, thus reducing lung volume. (05 Mar 2000) |
|---|---|
| parenchymal cell | See: parenchyma. (05 Mar 2000) |
| parenchymatitis | Inflammation of the parenchyma or differentiated substance of a gland or organ. (05 Mar 2000) |
| parenchymatous | Relating to the parenchyma. Synonym: parenchymal. (05 Mar 2000) |
| parenchymatous cartilage | An embryonic or immature stage of cartilage in which it consists chiefly of cells with very little matrix. Synonym: parenchymatous cartilage. (05 Mar 2000) |
| parenchymatous cell of corpus pineale | A cell of the pineal body with long processes ending in bulbous expansions. Pinealocytes receive a direct innervation from sympathetic neurons that form recognizable synapses. The club-shaped endings of pinealocyte processes terminate in perivascular spaces surrounding capillaries. Synonym: chief cell of corpus pineale, parenchymatous cell of corpus pineale. Origin: pineal + G. Kytos, cell (05 Mar 2000) |
| parenchymatous degeneration | Swelling of cells due to injury to the membranes affecting ionic transfer; causes an accumulation of intracellular water. Synonym: albuminous swelling, granular degeneration, hydropic degeneration, parenchymatous degeneration. (05 Mar 2000) |
| parenchymatous goiter | A form of goiter in which there is a great increase in the follicles with proliferation of the epithelium. Synonym: follicular goiter. (05 Mar 2000) |
| parenchymatous haemorrhage | Bleeding into the substance of an organ. (05 Mar 2000) |
| parenchymatous mastitis | Inflammation of the secreting tissue of the breast. Synonym: glandular mastitis. (05 Mar 2000) |
| parenchymatous neuritis | Inflammation of the nervous substance proper, the axons, and myelin. Synonym: axial neuritis, central neuritis. (05 Mar 2000) |
| 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) |
| 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 cell | A cell which, by division, gives rise to two or more daughter cell's. Synonym: brood cell, metrocyte, parent cell. (05 Mar 2000) |
| 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) |