| piper | 1. One who plays on a pipe, or the like, especially. On a bagpipe. "The hereditary piper and his sons." 2. <zoology> A common European gurnard (Trigla lyra), having a large head, with prominent nasal projection, and with large, sharp, opercular spines. A sea urchin (Goniocidaris hystrix) having very long spines, native of both the American and European coasts. To pay the piper, to bear the cost, expense, or trouble. Source: Websters Dictionary (01 Mar 1998) |
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| Piper's forceps | Obstetrical forceps used to facilitate delivery of the head in breech presentation. (05 Mar 2000) |
| Piper, E | <person> U.S. Obstetrician-gynecologist, 1881-1935. See: Piper's forceps. (05 Mar 2000) |
| piperaceous | <botany> Of or pertaining to the order of plants (Piperaceae) of which the pepper (Piper nigrum) is the type. There are about a dozen genera and a thousand species, mostly tropical plants with pungent and aromatic qualities. Origin: L. Piper pepper. Source: Websters Dictionary (01 Mar 1998) |
| piperacetazine | 10-3-[4-(2-Hydroxyethyl)piperidino]-propylphenothiazin-2-yl methyl ketone;a tranquilliser. (05 Mar 2000) |
| piperacillin | <chemical> 6-(((((4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl) amino)phenylacetyl)amino)-3,3-dimethyl-7-oxo-4-thia-1- azabicyclo(3.2.0)heptane-2-carboxylic acid. Semisynthetic, broad-spectrum, ampicillin-derived ureidopenicillin antibiotic proposed for pseudomonas infections. It is also used in combination with other antibiotics. Pharmacological action: penicillins. Chemical name: 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-(((((4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl)amino)phenylacetyl)amino)-3,3-dimethyl-7-oxo-, (2S-(2alpha,5alpha,6beta(S*)))- (12 Dec 1998) |
| piperacillin sodium | C23H26N5NaO7S;a semisynthetic extended spectrum penicillin active against a wide variety of Gram-positive and Gram-negative bacteria. (05 Mar 2000) |
| piperazine | Pyrazine hexahydride;its former use in gout was based upon its property of dissolving uric acid in vitro, but it is ineffective in increasing uric acid excretion; its compounds are now used as anthelmintics in oxyuriasis and ascariasis. Synonym: diethylenediamine. (05 Mar 2000) |
| piperazine adipate | A veterinary anthelmintic and filaricide. (05 Mar 2000) |
| piperazine calcium edetate | (ethylenedinitrilo)tetraacetic acid piperazine calcium salt;an anthelmintic. (05 Mar 2000) |
| piperazine citrate | A vermifuge for pinworms and roundworms. (05 Mar 2000) |
| piperazine diethanesulfonic acid | One of several aminosulfonic acids (like HEPES) used in biological buffers; active range 6.0-8.5. Acronym: PIPES (05 Mar 2000) |
| piperazine estrone sulfate | A purified preparation of natural estrone sulfate; the piperazine acts as a buffer to increase the stability of estrone sulfate. (05 Mar 2000) |
| piperazine tartrate | An anthelmintic useful in the treatment of nematode infestation. (05 Mar 2000) |
| piperic | <chemistry> Pertaining to, or derived from, or designating, a complex organic acid found in the products of different members of the Pepper family, and extracted as a yellowish crystalline substance. Source: Websters Dictionary (01 Mar 1998) |