| 释义 |
furcal, a. Zool.|ˈfɜːkəl|
[f. L. furca fork + -al.]
Forked, furcate; esp. of or pertaining to a furca.
1851Trans. Linn. Soc. XX. 434 Some traces of the entrances into these furcal bones exist in the sternal plates of Perla. 1895Cambr. Nat. Hist. V. i. 399 [In Perlidæ] the metasternum..has on each side a peculiar slit; similar orifices exist on the other sterna... Newport..says that they are blind invaginations of the integument; he calls them the sternal or furcal orifices. 1969R. F. Chapman Insects ix. 154 It is probable that the mechanism of furcal extension is not the same in all Collembola. |