| interstitial | <anatomy> Pertaining to or situated between parts or in the interspaces of a tissue. Origin: L. Interstitialis, inter = between, sistere = to set (18 Nov 1997) |
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| interstitial absorption | The removal of water or of substances in the interstitial fluid by the lymphatics. (05 Mar 2000) |
| interstitial cell | 1. <plant biology> Cells lying between but distinct from other cells in a tissue, a good example being the interstitial cells in Hydra that serve as stem cells. 2. <pathology> Cells lying between the testis tubules of vertebrates and that are responsible for the secretion of testosterone. (18 Nov 1997) |
| interstitial cell-stimulating hormone | <protein> Synonym for luteinising hormone. (18 Nov 1997) |
| interstitial cell tumour of testis | <tumour> A small benign tumours of the testis that often produce testosterone, causing endocrine symptoms. Synonym: interstitial cell tumour of testis. (05 Mar 2000) |
| interstitial cystitis | <pathology, urology> A chronic inflammatory condition of the bladder. The cause of interstitial cystitis is unknown, but occurs more commonly in females. Symptoms include difficulty urinating, pain on urination, urinary urgency and increased frequency of urination. (27 Sep 1997) |
| interstitial deletion | Deletion that does not involve the terminal parts of a chromosome. (05 Mar 2000) |
| interstitial disease | A disease occurring chiefly in the connective-tissue framework of an organ, the parenchyma suffering secondarily. (05 Mar 2000) |
| interstitial emphysema | Presence of air in the pulmonary tissues consequent upon rupture of the air cells, presence of air or gas in the connective tissue. (05 Mar 2000) |
| interstitial fluid | The fluid in spaces between the tissue cells, constituting about 16% of the weight of the body; closely similar in composition to lymph. Synonym: tissue fluid. (05 Mar 2000) |
| interstitial gastritis | Inflammation of the stomach involving the submucosa and muscle coats. (05 Mar 2000) |
| interstitial gland | See: interstitial cells. (05 Mar 2000) |
| interstitial growth | Growth from a number of different centres within an area; in contrast with appositional growth, it can occur only when the materials involved are nonrigid. (05 Mar 2000) |
| interstitial hernia | A hernia in which the protrusion is between any two of the layers of the abdominal wall. (05 Mar 2000) |
| interstitial implantation | Implantation in which the blastocyst lies within the substance of the endometrium, as in humans and guinea pigs. (05 Mar 2000) |