zygantrum

noun
zy·​gan·​trum | \ zīˈgan‧trəm, zə̇ˈ-\
plural zygantra\ -​rə \ also zygantrums

Definition of zygantrum

: 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

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History and Etymology for zygantrum

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

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