noun, plural valleculae [vuh-lek-yuh-lee] . Biology.
a furrow or depression.

1855–60; < Late Latin, equivalent to valle(s) valley + Latin -cula -cule1

vallecular, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
vallecula (vəˈlɛkjʊlə)
n , pl -lae
1.  anatomy any of various natural depressions or crevices, such as certain fissures of the brain
2.  botany a small groove or furrow in a plant stem or fruit
[C19: from Late Latin: little valley, from Latin vallis valley]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

vallecula val·lec·u·la (vā-lěk'yə-lə, və-)
n. pl. val·lec·u·lae (-lē')
An anatomical crevice or depression on any surface, such as the deep hollow on the inferior surface of the cerebellum, between the hemispheres, in which the medulla oblongata rests.

The American Heritage® Stedman's Medical Dictionary
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