Visceral clefts


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(Anat.) transverse clefts on the sides just back of the mouth in the vertebrate embryo, which open into the pharyngeal portion of the alimentary canal, and correspond to the branchial clefts in adult fishes.

See also: Visceral

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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