| 释义 |
‖ zygoma Anat.|zaɪˈgəʊmə, zɪg-|
Pl. zygomata, zygomas. Also 8 erron. zigoma.
[mod.L., a. Gr. ζύγωµα, f. ζυγόν yoke. Cf. F. zygome, † zigome.]
The bony arch on each side of the skull in vertebrates, consisting of the malar or jugal bone (cheek-bone) and its connexions, and forming a junction between the cranial and facial bones; the zygomatic arch; also, in restricted sense, some part of this, as the malar bone itself, the zygomatic process of the temporal bone, or the process of the malar which articulates with this.
1684tr. Blancard's Phys. Dict. (1693), Zygoma, the jugal Bone about the Temples. 1758J. S. tr. Le Dran's Observ. Surg. (1771) 13 There appeared near the Zigoma.., by the Wing of the Nostril, a slender Fluctuation. 1804Abernethy Surg. Obs. 175 The fracture ran horizontally, about a quarter of an inch above the zygoma. 1806Sir C. Bell Anat. Expr. (1872) 109 The zygoma, a process of the cheekbone, which joins the temporal bone. 1825A. Monro Anat. Hum. Body I. 379 The Temporal muscle is seen in the temples, and its tendon passing under the zygoma. 1855Holden Hum. Osteol. (1878) 69 At the lower part of the squamous portion there is an outgrowth of bone, termed the zygoma. 1893H. Morris Treat. Human Anat. 37 A ridge of bone, the supra-mastoid crest, runs immediately above the external auditory meatus, and is continued onwards to the zygoma. |