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Jacobson's organ
[ jey-kuhb-suhnz ]
noun
, Anatomy, Zoology.
- either of a pair of blind, tubular, olfactory sacs in the roof of the mouth, vestigial in humans but well-developed in many animals, especially reptiles.
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Word History and Origins
Origin of Jacobson's organ1
1870–75; named after L. L. Jacobson (died 1843), Danish anatomist
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