proteid |
<physiology> One of a class of amorphous nitrogenous principles, containing, as a rule, a small amount of sulphur; an albuminoid, as blood fibrin, casein of milk, etc. Proteids are present in nearly all animal fluids and make up the greater part of animal tissues and organs. They are also important constituents of vegetable tissues. See Note under Food. Pro"teid. Origin: Gr. First. Source: Websters Dictionary (01 Mar 1998) |
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proteidae |
The proteidae family of permanently larval aquatic salamanders. It consists of two living genera - necturus (mudpuppy) of the eastern united states and proteus (the european olm). (12 Dec 1998) |
proteidea |
<zoology> An order of aquatic amphibians having prominent external gills and four legs. It includes Proteus and Menobranchus (Necturus). Synonym: Proteoidea, and Proteida. Origin: NL. See Proteus, and -oid. Source: Websters Dictionary (01 Mar 1998) |