zygantrum

noun

zy·​gan·​trum

zīˈgan‧trəm,

zə̇ˈ-

plural zygantra

-rə

also zygantrums

: a fossa on the posterior median part of the neural arch of a vertebra (as of a snake) that accommodates the zygosphene of the next vertebra

Word History

Etymology

New Latin, from zyg- + Late Latin antrum cavity of the body

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