| 释义 |
propalinal, a. Physiol.|prəʊˈpælɪnəl|
[f. Gr. πρό, pro-2 + πάλιν backward + -al1: cf. proal, palinal.]
Having a forward and backward motion: said of the lower jaw in mastication.
1888Cope in Amer. Nat. Jan. 7 [Note] The propalinal mastication is to be distinguished into the proal, from behind forwards,..and the palinal, from before backwards. Ibid. 9 A fifth effect of the development of the incisors, and of the propalinal mastication, is seen in the position of the molar teeth. |