procaterol |
<chemical> A long-acting beta-2-adrenergic receptor agonist. It is a potent bronchodilator that may be administered orally or by aerosol inhalation. Pharmacological action: adrenergic beta-agonists, bronchodilator agents, sympathomimetic. Chemical name: 2(1H)-Quinolinone, 8-hydroxy-5-(1-hydroxy-2-((1-methylethyl)amino)butyl)-, (R*,S*)-(+-)- (12 Dec 1998) |
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procedure |
A series of steps by which a desired result is accomplished. Origin: L. Procedere, from pro = forward, cedere = move (18 Nov 1997) |
procelia |
A lateral ventricle of the brain; the hollow of the prosencephalon. Origin: pro-+ G. Koilia, a hollow (05 Mar 2000) |
procellarian |
<ornithology> One of a family of oceanic birds (Procellaridae) including the petrels, fulmars, and shearwaters. They are often seen in great abundance in stormy weather. Origin: L. Procella a storm. Source: Websters Dictionary (01 Mar 1998) |
procelous |
Concave anteriorly. Origin: pro-+ G. Koilos, hollow (05 Mar 2000) |
procentriole |
<cell biology> The forming centriole composed of microtubules. Multiple procentrioles are present in some cells as a structure called the blepharoplast. (18 Nov 1997) |
procentriole organiser |
Dense spherical fibrous granules that occur in the centrosphere and act in the development of centrioles or basal bodies. Synonym: procentriole organiser. (05 Mar 2000) |
procephalic |
<zoology> Pertaining to, or forming, the front of the head. <zoology> Procephalic lobe, that part of the head of an invertebrate animal which is in front of the mouth. Origin: Pref. Pro- + cephalic. Source: Websters Dictionary (01 Mar 1998) |
procercoid |
The first stage in the aquatic life cycle of certain tapeworms, such as the pseudophyllideans (family Diphyllobothriidae), following ingestion of the newly hatched larva (coracidium) by a copepod (water flea). The procercoid develops into a tailed larva in the body cavity of the crustacean first intermediate host; when the procercoid and its host are ingested by a fish, the procercoid enters the new host's tissues and becomes a plerocercoid. See: Diphyllobothrium latum, Pseudophyllidea. Origin: pro-+ G. Kerkos, tail, + eidos, resemblance (05 Mar 2000) |
procerebrum |
<anatomy> The prosencephalon. Origin: Pref. Pro- + cerebrum. Source: Websters Dictionary (01 Mar 1998) |
proceres |
<ornithology> An order of large birds; the Ratitae. Synonym: Proceri. Origin: NL, fr. L. Procer chief. Source: Websters Dictionary (01 Mar 1998) |
procerite |
<zoology> The segment next to the flagellum of the antennae of Crustacea. Origin: Pref. Pro- + Gr. Horn. Source: Websters Dictionary (01 Mar 1998) |
procerus |
Synonym: procerus muscle. Origin: L. Long, stretched out (05 Mar 2000) |
procerus muscle |
<anatomy> Insertion, into frontalis; action, assists frontalis; origin, from membrane covering bridge of nose; nerve supply, branch of facial. Synonym: musculus procerus, musculus pyramidalis nasi, procerus. (05 Mar 2000) |
process |
<chemistry> A change from one state to another. (09 Jan 1998) |