| 释义 |
hyomandibular, a. and n. Anat.|ˌhaɪəʊmænˈdɪbjʊlə(r)|
[f. hyo- + mandibular.]
A. adj. Pertaining to the hyoid bone and the mandible or lower jaw.
hyomandibular bone, in fishes, the bone of the suspensorium which articulates with the cranium. hyomandibular cartilage, the dorsal segment or the upper end of the hyoid arch. hyomandibular cleft, the cleft between the mandibular and hyoid arches in the embryo of Vertebrates.
1875Huxley in Encycl. Brit. I. 765/2 A hyomandibular artery..appears to represent the remains of the hyoidean and mandibular aortic arches. 1877― Anat. Inv. Anim. i. 67 The hyomandibular cleft and its boundary walls. 1888Rolleston & Jackson Anim. Life 93 The hyomandibular and symplectic bones.
B. n. The hyomandibular bone.
1872Mivart Elem. Anat. 121 In the last-named group the lower jaw is suspended from elements of the ear capsule by a bone called the Hyomandibular. 1878Bell Gegenbaur's Comp. Anat. p. xii, The incus is developed from the uppermost extremity of the second or hyoid arch, and corresponds to the hyomandibular of fishes. |