ctenoid

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“
Another kind of scale is the ctenoid which are thin flexible scales where the posterior end has comb-like teeth, and are believed to reduce drag on the fish when swimming in the water.

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Definitions (8)

Toggle American Heritage definitions American Heritage Dictionary (2)

  1. adjective Biology Comblike.
  2. adjective Biology Having marginal projections that resemble the teeth of a comb: a ctenoid fish.

Toggle Century definitions Century Dictionary (4)

Toggle GNU Webster definitions GNU Webster's 1913 (1)

Toggle WordNet definitions WordNet (1)

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Examples

  • I tried to follow Agassiz's scheme of division into the order of ctenoids and ganoids, with the result that I found one of my species of side-swimmers had cycloid scales on one side and ctenoid on the other. —  Louis Agassiz as a Teacher
  • Ctenoid Fish Scale - Three general types of ctenoid scales have been categorized, but each type is composed of two key sections; a rigid surface layer chiefly consisting of crystallized calcium salts and a deeper layer that is formed by collagen-type fibrils.
  • Cycloid Fish Scale - The primary types of fish scales include placoid, cosmoid, ganoid, ctenoid, and cycloid scales.
  • The distinction between the ctenoid scale types, therefore, is primarily based upon their form.
  • Another kind of scale is the ctenoid which are thin flexible scales where the posterior end has comb-like teeth, and are believed to reduce drag on the fish when swimming in the water. —  CreationWiki - Recent changes [en]
 

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Ctenoid has been looked up 251 times, favorited once, listed 3 times, and commented on 0 times.

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Etymologies (2)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. Greek ktenoeidēs, comblike : kteis, kten-, comb + -oeidēs, -oid.

Toggle Century etymologies Century Dictionary (1)

  1. from Greek κτενοειδής, comb-shaped, from κτείς (κτεν-), a comb, + είδος, form.
 

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/ˈtɛnɔɪd/
by American Heritage

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