知識(shí)貝殼
知識(shí)貝殼
所屬欄目：英漢雙解生物學(xué)
One ofthe pair of nerves that arises from the posteri-or region of the medulla oblongata in thebrain of higher vertebrates. It carries motornerve fibers and merges with the adjacent va-gus nerve close to its root. In fishes and am-phibians it is considere ......（本文共 353 字 ） [閱讀本文] >>