hypantrum

noun

hy·​pan·​trum

hiˈpan‧trəm,

hīˈ-

plural hypantra

-rə

: a notch on the neural arch at the anterior ends of the vertebrae of various reptiles that articulates with the hyposphene compare zygantrum

Word History

Etymology

New Latin, from hypo- + Late Latin antrum cavity in the body

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