Word Study
Zygosphene
CIDE DICTIONARY
Zygosphene, n. [Gr. zygo`n a yoke + a wedge.].
A median process on the front part of the neural arch of the vertebræ of most snakes and some lizards, which fits into a fossa, called the zygantrum, on the back part of the arch in front. [1913 Webster]
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