| 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) |
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| 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 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 giant cell pneumonia | A rare complication of measles, with the postmortem finding of multinucleated giant cells lining alveoli. Synonym: Hecht's pneumonia, interstitial giant cell pneumonia. (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) |
| interstitial inflammation | Inflammation in which the inflammatory reaction occurs chiefly in the supportive fibrous connective tissue or stroma of an organ. (05 Mar 2000) |
| interstitial keratitis | An inflammation of the corneal stroma, often with neovascularization. (05 Mar 2000) |