body whorl

noun
: the last and outer whorl of a univalve shell

Useful english dictionary. 2012.

Look at other dictionaries:

  • Body whorl — The body whorl in a mollusc shell is the most recently formed whorl of a spiral shell, terminating in the aperture. The size of the body whorl differs greatly according to shell morphology. In shells in which the rate of whorl expansion after… …   Wikipedia

  • body whorl — see last whorl …   Dictionary of invertebrate zoology

  • Whorl — is a type of spiral pattern.Other meanings of whorl include: * Whorl (mollusc), a single, complete 360° turn in the spiral growth of a mollusc shell ** Body whorl, in a mollusc shell the most recently formed whorl of a spiral shell, terminating… …   Wikipedia

  • Whorl (mollusc) — A whorl is a single, complete 360° turn in the spiral growth of a mollusc shell. A mollusc shell is basically a long tube, usually coiled in a spiral for strength and compactness. The number of whorls in the shell depend on various factors in the …   Wikipedia

  • Hair whorl — A Hair whorl is a patch of hair growing in the opposite direction of the rest of the hair. It occurs in most hairy animals. Hair whorls occur on the body as well as on the head.Hair whorls on the head (parietal whorls) have been intensively… …   Wikipedia

  • Acteonidae — Taxobox name = Acteonidae image width = 250px image caption = Adam s baby bubble, Rictaxis punctostriatus regnum = Animalia phylum = Mollusca classis = Gastropoda subclassis = Orthogastropoda superordo = Heterobranchia ordo = Opisthobranchia… …   Wikipedia

  • Crisilla picta — Scientific classification Kingdom: Animalia Phylum: Mollusca Class: Gastrop …   Wikipedia

  • Afrivoluta pringlei — Taxobox name = Afrivoluta pringlei image caption = Afrivoluta pringlei trawled off Cape Agulhas, South Africa regnum = Animalia phylum = Mollusca classis = Gastropoda subclassis = Orthogastropoda superordo = Caenogastropoda ordo = Sorbeoconcha… …   Wikipedia

  • Haminoeidae — Taxobox name = Haminoeidae regnum = Animalia phylum = Mollusca classis = Gastropoda subclassis = Orthogastropoda superordo = Heterobranchia ordo = Opisthobranchia subordo = Cephalaspidea superfamilia = Haminoeoidea familia = Haminoeidae… …   Wikipedia

  • Gastropod shell — [ 1 umbilicus2 parietal callus3 aperture4 columella5 suture6 whorl7 apex] The gastropod shell is a shell which is part of the body of a gastropod or snail. It is an external skeleton or exoskeleton, which serves not only for muscle attachment,… …   Wikipedia

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