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Heterocercal vs Heterocercy - What's the difference?

heterocercal | heterocercy |

As an adjective heterocercal

is (ichthyology) of a fish's tail, such that the vertebral column bends and extends upwards into the upper lobe of the tail, making it larger than the lower lobe; as in sharks, rays, and skates.

As a noun heterocercy is

(anatomy) unequal development of the tail lobes of fishes; the possession of a heterocercal tail.

heterocercal

English

Adjective

(en adjective)
  • (ichthyology) Of a fish's tail, such that the vertebral column bends and extends upwards into the upper lobe of the tail, making it larger than the lower lobe; as in sharks, rays, and skates.

    • Antonyms

    * homocercal

    Derived terms

    * heterocercality

    Coordinate terms

    * diphycercal * heterocercal * homocercal * protocercal

    Related terms

    * heterocerc

    heterocercy

    English

    Noun

    (-)
  • (anatomy) unequal development of the tail lobes of fishes; the possession of a heterocercal tail.
    • (Webster 1913)