Zyg"o*sphene (?), n. [Gr.
zygo`n a yoke + &?; a wedge.] (Anat.) 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.
Zyg"o*sphene (?), n. [Gr.
zygo`n a yoke + &?; a wedge.] (Anat.) 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.