| bladder polyp | A pedunculated tumour that arises from the mucosal surface of the bladder. most are benign, but some may become malignant. (27 Sep 1997) |
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| bleeding polyp | Synonym: vascular polyp. (05 Mar 2000) |
| bronchial polyp | A polyp growing from the bronchial mucosa. (05 Mar 2000) |
| cardiac polyp | Usually a rounded thrombus attached to the endocardium. (05 Mar 2000) |
| vascular polyp | A bulging or protruding angioma of the nasal mucous membrane. Synonym: bleeding polyp. (05 Mar 2000) |
| gelatinous polyp | A polyp that consists of delicate, loose, edematous connective tissue, a polypoid myxoma. (05 Mar 2000) |
| regenerative polyp | A hyperplastic polyp of the gastric mucosa. (05 Mar 2000) |
| cellular polyp | A polyp that consists of benign neoplastic tissue derived from glandular epithelium. Synonym: cellular polyp, polypoid adenoma. (05 Mar 2000) |
| pedunculated polyp | Any form of polyp that is attached to the base tissue by means of a slender stalk. (05 Mar 2000) |
| retention polyp | A smoothly rounded mucosal hamartoma of the large bowel, which may be multiple and cause rectal bleeding, especially in the first decade of life; it is not precancerous. Synonym: retention polyp. (05 Mar 2000) |
| choanal polyp | An antral-choanal polyp that extends into the nasopharynx; generally originates in the antrum. (05 Mar 2000) |
| metaplastic polyp | A benign small sessile polyp of the large bowel showing lengthening and cystic dilation of mucosal glands; also applied to non-neoplastic gastric mucosal polyp's. Synonym: metaplastic polyp. (05 Mar 2000) |
| placental polyp | A polyp developed from a piece of retained placenta. (05 Mar 2000) |
| mucous polyp | An adenomatous polyp in which conspicuous amounts of mucin are formed, a polypoid cyst that contains mucus. (05 Mar 2000) |
| polyp | 1. <pathology> Growth, usually benign, protruding from a mucous membrane. 2. <plant biology> The sessile stage of the Cnidarian life cycle, the cylindrical body is attached to the substratum at its lower end and has a mouth surrounded by tentacles bearing nematocysts at the upper end, Hydra and the feeding polyps of the colonial Obelia are examples. (14 Oct 1997) |