central sulcus

noun Anatomy.

the sulcus separating the frontal and parietal lobes of the cerebrum.

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World English Dictionary

central sulcus

—n
	a deep cleft in each hemisphere of the brain separating the frontal lobe from the parietal lobe

Collins English Dictionary - Complete & Unabridged 10th Edition
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Central sulcus is always a great word to know.

So is bezoar. Does it mean:

a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.

a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.

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American Heritage

Medical Dictionary

central sulcus n.
See fissure of Rolando.

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