| piperidolate hydrochloride | 1-Ethyl-3-piperidyl diphenylacetate hydrochloride;an anticholinergic agent. (05 Mar 2000) |
|---|---|
| piperine | <chemistry> A white crystalline compound of piperidine and piperic acid. It is obtained from the black pepper (Piper nigrum) and other species. Origin: L. Piper pepper: cf. F. Piperin, piperine. Source: Websters Dictionary (01 Mar 1998) |
| piperocaine hydrochloride | 3-(2-Methyl-1-piperidyl)propyl benzoate hydrochloride;a rapidly acting local anaesthetic for infiltration and nerve blocks. (05 Mar 2000) |
| piperonal | <chemistry> A white crystalline substance obtained by oxidation of piperic acid, and regarded as a complex aldehyde. Source: Websters Dictionary (01 Mar 1998) |
| piperonyl butoxide | <chemical> An insecticide synergist, especially for pyrethroids and rotenone. Pharmacological action: pesticide synergists. Chemical name: 1,3-Benzodioxole, 5-((2-(2-butoxyethoxy)ethoxy)methyl)-6-propyl- (12 Dec 1998) |
| piperoxan | <chemical> A benzodioxane alpha-adrenergic blocking agent with considerable stimulatory action. It has been used to diagnose pheochromocytoma and as an antihypertensive agent. Pharmacological action: adrenergic alpha-antagonists, antihypertensive agents, sympatholytics. Chemical name: Piperidine, 1-((2,3-dihydro-1,4-benzodioxin-2-yl)methyl)- (12 Dec 1998) |
| piperoxan hydrochloride | 2-(1-piperidylmethyl)-1,4-benzodioxane hydrochloride;an adrenergic (alpha-receptor blocking agent of the Fourneau series of benzodioxanes); used as a diagnostic test for pheochromocytoma. Synonym: Fourneau 933. (05 Mar 2000) |
| piperylene | <chemistry> A hydrocarbon obtained by decomposition of certain piperidine derivatives. Origin: Piperidine + acetylene. Source: Websters Dictionary (01 Mar 1998) |
| PIPES | <abbreviation> Piperazine diethanesulfonic acid. (05 Mar 2000) |
| pipestem arteries | Artery's hardened by calcification as seen in Monckeberg's arteriosclerosis; descriptive of the characteristic feeling to the finger of an examiner. (05 Mar 2000) |
| pipestem fibrosis | A characteristic pipe-shaped fibrosis formed around hepatic portal veins in some cases of long-continued heavy infection with Schistosoma mansoni; thought to be induced by the presence of large numbers of schistosome eggs in the hepatic tissues. Synonym: Symmers' clay pipestem fibrosis, Symmers' fibrosis. (05 Mar 2000) |
| pipette | A graduated tube (marked in ml) used to transport a definite volume of a gas or liquid in laboratory work. Origin: Fr. Dim. Of pipe, pipe (05 Mar 2000) |
| pipevine | <botany> The Dutchman's pipe. See Dutchman. Source: Websters Dictionary (01 Mar 1998) |
| pipewort | <botany> Any plant of a genus (Eriocaulon) of aquatic or marsh herbs with soft grass-like leaves. Source: Websters Dictionary (01 Mar 1998) |