| 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) |
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| papillary muscle syndrome | Impaired function of a papillary muscle, usually due to ischemia or infarction, with resulting incompetence of the mitral valve. Synonym: papillary muscle syndrome. (05 Mar 2000) |
| 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) |
| cystadenoma, papillary | A benign neoplasm of the ovary. (12 Dec 1998) |
| inflammatory papillary hyperplasia | Closely arranged papules of the palatal mucosa underlying an ill-fitting denture. Synonym: palatal papillomatosis. (05 Mar 2000) |
| intravascular papillary endothelial hyperplasia | A benign florid papillary endothelial proliferation within the veins of the skin or subcutis, less often in visceral blood vessels. Synonym: Masson's pseudoangiosarcoma. (05 Mar 2000) |
| kidney papillary necrosis | A form of acute kidney disease characterised by necrosis of the renal papillae. It is most frequently associated with diabetes mellitus because of the severe vascular disease present in the arteries and capillaries, particularly in the kidney. There is usually a large component of infection present, and in non-diabetics pyelonephritis and obstructive uropathy are the usual aetiologic agents. (12 Dec 1998) |
| alveolobuccal groove | The upper and lower half of the buccal vestibule on each side. Synonym: alveolobuccal sulcus, gingivobuccal groove, gingivobuccal sulcus. (05 Mar 2000) |
| alveololabial groove | The upper and lower half of the labial vestibule, in the embryo, the groove formed by the deepening of the labial sulcus; its inner wall becomes incorporated with the alveolar process of the mandible or the maxilla, and its outer wall with the lips and cheeks. Synonym: alveololabial sulcus, gingivolabial groove, gingivolabial sulcus. (05 Mar 2000) |
| alveololingual groove | That part of the oral cavity proper, on each side of the frenulum linguae, between the tongue and the mandibular alveolar process or ridge, in the embryo, the groove on each side between the lingual primordium and the alveolar elevations of the mandible. Synonym: alveololingual sulcus, gingivolingual groove, gingivolingual sulcus. (05 Mar 2000) |