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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