crissum


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crissum

[′kris·əm]
(vertebrate zoology)
The region surrounding the cloacal opening in birds.
The vent feathers covering the circumcloacal region.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Other species are Epomidiostomum unicinatum, Capillaria spp., Tetrameras spp., Amidostomum acutum, Streptocara crassicauda, Sciadiocara rugosa, Porrocaecum crissum, strongyloides spp., Capillaria contorta, Sciadiocara rugosa.
Migratory birds - another culprit behind spread of gastrointestinal parasites
Relatively pale individuals have an unmarked lower belly; individuals that are paler still are unmarked on the lower belly, crissum, and distal flanks.
Historical examination of delayed plumage maturation in the shorebirds (Aves: Charadriiformes)
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