Ja'cob•son's or'gan

Pronunciation: ( jā'kub-sunz), [key] Anat., Zool.
either of a pair of blind, tubular, olfactory sacs in the roof of the mouth, vestigial in humans but well-developed in many animals, esp. reptiles.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Jacob's ladderJacob's staff


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