| papillary adenoma of large intestine | <tumour> Appears as a solitary sessile, often large, tumour of colonic mucosa composed of mucinous epithelium covering delicate vascular projections; malignant change occurs frequently; hypersecretion occurs rarely. Also known as adenoma. Synonym: papillary adenoma of large intestine. (05 Mar 2000) |
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| papillary carcinoma | <tumour> A malignant neoplasm characterised by the formation of numerous, irregular, finger-like projections of fibrous stroma that is covered with a surface layer of neoplastic epithelial cells. (05 Mar 2000) |
| papillary cystadenoma lymphomatosum | <oncology, tumour> A benign tumour characterised histologically by tall columnar epithelium within a lymphoid tissue stroma. It is usually found in the salivary glands, especially the parotid. (25 Jun 1999) |
| papillary cystic adenoma | <tumour> An adenoma in which the lumens of the acini are frequently distended by fluid, and the neoplastic epithelial elements tend to form irregular, fingerlike projections. (05 Mar 2000) |
| papillary ducts | The largest straight excretory duct's in the kidney medulla and papillae whose openings form the area cribrosa; they are a continuation of the collecting tubules. Synonym: Bellini's ducts. (05 Mar 2000) |
| papillary foramina of kidney | Numerous minute openings, the apertures of the papillary ducts converging on the apical pole of each renal papilla. Synonym: foramina papillaria renis. (05 Mar 2000) |
| papillary hidradenoma | <tumour> A solitary benign tumour occurring in women usually in the labia majora, cystic and papillary, and composed of epithelium resembling that of apocrine glands. Synonym: apocrine adenoma, hidradenoma papilliferum. (05 Mar 2000) |
| papillary layer | The more superficial layer of the corium whose papillae interdigitate with the epidermis. Synonym: corpus papillare, papillary layer. (05 Mar 2000) |
| papillary muscles | Conical muscular projections from the walls of the cardiac ventricles, attached to the cusps of the atrioventricular valves by the chordae tendineae. (12 Dec 1998) |
| papillary necrosis | <radiology> Mnemonic: POST CARD, P pyelonephritis, O obstruction, S sickle cell disease, T TB, C cirrhosis (EtOH), A analgesics (phenacetin and aspirin), R renal vein thrombosis, D diabetes (12 Dec 1998) |
| papillary process | The left lower angle of the caudate lobe of the liver, opposite the caudate process. Synonym: processus papillaris. (05 Mar 2000) |
| papillary stasis | An obsolete term for papilledema. (05 Mar 2000) |
| papillary tumour | A tumour shaped like a small mushroom with its stem attached to the inner lining of the bladder. (12 Dec 1998) |
| renal papillary necrosis | <nephrology> Necrosis of renal papillae, occurring in acute pyelonephritis, especially in diabetics, or in analgesic nephropathy; renal failure may result. Synonym: necrotizing papillitis. (05 Mar 2000) |
| cystadenocarcinoma, papillary | An adenocarcinoma in which the tumour elements are arranged as finger-like processes or as a solid spherical nodule projecting from an epithelial surface. (12 Dec 1998) |