Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Relating to or being a kind of fish scale that has marginal projections resembling the teeth of a comb.
from The Century Dictionary.
- Comb-like; pectinate: specifically applied— to a form of scales in fishes in which the posterior margin is pectinated, or beset with small spinules (see cut under
scale ); - to a form of dentition in fishes in which the teeth have comb-like ridges.
- Pertaining to the Ctenoidei; having ctenoid scales, as a fish.
- noun A fish with ctenoid scales; one of the Ctenoidei.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Having a comblike margin, as a ctenoid scale.
- adjective Pertaining to the Ctenoidei.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Having a
toothed margin , usuallyfish scales - adjective
Comb -like in shape. - noun A
ctenoidean .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective resembling a comb; having projections like the teeth of a comb
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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Pirate perch is a stout, dark-colored fish, with a single dorsal fin and ctenoid scales on the head and body.
Think Progress » “When I caught a 7.5 pound perch in my lake” 2006
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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; illustrative extracts on his method of instruction Lane Cooper
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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 Cooper, Lane, 1875-1959 1917
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So long as the strongly-armed ganoidal order prevailed in nature, the sharks were furnished with massive crushing teeth; but when the ganoids waned in creation, and the soft-scaled cycloid and ctenoid orders took and amply filled the place which they had left vacant, the well known modern form of sharks 'teeth was introduced, -- a form much rather suited for cutting soft bodies than for crushing hard ones.
The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed Hugh Miller 1829
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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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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.
unknown title 2009
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Basic ctenoid scales, on the other hand, exhibit ctenii, which are formed as separate bony growths distinct from the main body of the scale.
unknown title 2009
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Thin, translucent, and lacking enamel as well as dentine, these modern structures are known as cycloid and ctenoid scales.
unknown title 2009
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The distinction between the ctenoid scale types, therefore, is primarily based upon their form.
unknown title 2009
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Cycloid Fish Scale - The primary types of fish scales include placoid, cosmoid, ganoid, ctenoid, and cycloid scales.
unknown title 2009
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