释义 |
zygomatic, a. (n.) Anat.|zaɪgəʊˈmætɪk, zɪg-| [ad. mod.L. zygomaticus, f. Gr. ζύγωµα, -ατ-: see prec. and -ic.] Pertaining to or forming part of the zygoma; jugal. zygomatic apophysis = z. process. zygomatic arch = zygoma. zygomatic bone, the malar bone. zygomatic fossa, an irregularly-shaped cavity on the side of the skull below and within the zygomatic arch. zygomatic muscle, any one of several small muscles connected with the zygoma; esp. each of two pairs of muscles (zygomaticus major and minor) arising from the malar bone and inserted at the corners of the mouth, serving to draw the upper lip outward and upward. zygomatic process, a process of the squamosal portion of the temporal bone, which articulates with the malar bone. zygomatic suture, the suture connecting the squamosal with the malar bone.
1709Blair in Phil. Trans. XXVII. 143 Two Zygomatic Bones. 1741A. Monro Anat. (ed. 3) 95 Immediately before the Root of the zygomatic Process. 1811C. Bell Anat. Hum. Body (ed. 3) I. 180 The zygomatic muscles pull the angles of the mouth upwards as in laughter. 1825Zool. Jrnl. II. 162 The zygomatic arch. 1855Holden Hum. Osteol. 102 The ‘zygomatic fossa’ is bounded externally by the zygomatic arch. 1895Q. Rev. July 178 That ‘sweet contraction’ of the zygomatic muscles. B. n. Short for z. muscle or z. bone.
1811C. Bell Anat. Hum. Body (ed. 3) I. 181 The zygomatics and levators pull the angles of the mouth upwards. 1919Man XIX. 156 Prominence of the zygomatics. |