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Definition of Heterocercal
1. Adjective. Possessing a tail with the upper lobe larger than the lower and with the vertebral column prolonged into the upper lobe.
Definition of Heterocercal
1. a. Having the vertebral column evidently continued into the upper lobe of the tail, which is usually longer than the lower one, as in sharks.
Definition of Heterocercal
1. 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. ¹
¹ Source: wiktionary.com
Definition of Heterocercal
1. [adj]
Medical Definition of Heterocercal
1.