| 释义 |
‖ zygantrum Anat. and Zool.|zaɪˈgæntrəm, zɪg-|
Pl. -antra.
[mod.L., f. Gr. ζυγόν yoke + ἄντρον cave.]
A double cavity on the posterior side of the neural arch of each ordinary vertebra in serpents and some lizards, into which the zygosphene of the next vertebra fits.
1854Owen in Orr's Circ. Sci., Org. Nat. I. 197 This wedge [sc. the zygosphene] is received into a cavity (the ‘zygantrum’) excavated in the posterior expansion of the neural arch. 1888Rolleston & Jackson Anim. Life 73. |