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heterocercal
[ het-er-uh-sur-kuhl ]
adjective
, Ichthyology.
- having an unequally divided tail, characteristic of sharks, rays, and skates.
heterocercal
/ ˌhɛtərəʊˈsɜːkəl /
adjective
- ichthyol of or possessing a tail in which the vertebral column turns upwards and extends into the upper, usually larger, lobe, as in sharks Compare homocercal
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Other Words From
- het·er·o·cer·cal·i·ty [het-er-oh-ser-, kal, -i-tee], noun
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Word History and Origins
Origin of heterocercal1
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Word History and Origins
Origin of heterocercal1
C19: from hetero- + Greek kerkos tail
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Example Sentences
The tail is asymmetrical (heterocercal), and numerous placoid scales (dermal denticles) are embedded in the skin.
From Project Gutenberg
The tail is slender and heterocercal, the caudal fin deeply forked.
From Project Gutenberg
The slender body is covered with small scales and ends in a heterocercal tail.
From Project Gutenberg
Jugular plates are present, and the tail is usually distinctly heterocercal.
From Project Gutenberg
In Dipterus there are no marginal teeth, and the tail is heterocercal, not diphycercal, as in the other Dipnoans generally.
From Project Gutenberg
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