| 释义 |
xiphoid, a. (n.) Anat.|ˈzɪfɔɪd|
Also erron. 8–9 xyphoid, 9 ziphoide.
[ad. mod.L. xiphoidēs, a. Gr. ξιϕοειδής, f. ξίϕος sword + εἶδος form: see -oid.]
Sword-shaped, ensiform: a descriptive epithet of the cartilaginous or bony process at the lower or posterior end of the sternum in man and other animals (also called xiphisternum), and of a projecting bone at the back of the head in the cormorants and related birds (also called occipital style).
1746Glass Dropsy in Phil. Trans. XLIV. 338 We found the Circumference of her Abdomen to be just six Feet four Inches, and from the Xyphoid Cartilage to the Os Pubis it measur'd four Feet and half an Inch. 1782A. Monro Anat. 172 The outer surface of the xiphoid bone. 1802Home in Phil. Trans. XCII. 351 In the Hystrix, there is a xiphoid cartilage. 1847–9Todd's Cycl. Anat. IV. 202/1 [The sternum] is connected..with a xyphoid appendix. 1848Dunglison Med. Lex. (ed. 7), Xiphoid ligament..is a small, very thin, ligamentous fasciculus, which passes from the cartilage..of the 7th rib to the anterior surface of the xiphoid cartilage. 1873Mivart Elem. Anat. 35 The narrow lower end [of the sternum], which projects freely and remains cartilaginous till late in life, is called the xiphoid process. Ibid. 65 In Frogs and Toads we have a middle and xiphoid sternum.
So xiˈphoidal, xiˈphoidan, xiˈphoidian adjs.
1653R. Sanders Physiogn. 276 The brest..extended from the throat to the Diaphragma or Cartilagian Xiphoidan muscle or Midriff, which is round, lying overthwart the lower part of the brest, separating the heart and lights from the stomach. 1860Mayne Expos. Lex. 1345/2 Xiphoidian. 1904Amer. Nat. Jan. 20 (Osteology of Pygopodes) A pair of flaring external xiphoidal processes, which curve outwards, then inwards. |