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more about heterocercal
heterocercal |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Heterocercal \Het`er*o*cer"cal\, a. [Hetero- + Gr ? tail.] (Anat.) Having the vertebral column evidently continued into the upper lobe of the tail, which is usually longer than the lower one as in sharks. From WordNet r 1.6 [wn]: heterocercal adj : (ichthyology) possessing a tail with the upper lobe larger than the lower and with the vertebral column prolonged into the upper lobe [ant: {homocercal}]
more about heterocercal
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