| 释义 |
subˈcostal, a. and n.
[ad. mod.L. subcostālis: see sub- 1 b and costal.]
A. adj.
1. Anat. Situated below a rib or beneath the ribs; lying on the under side of a rib, as a groove for an artery.
1872Humphry Myology 19 The under or sub-costal parts of the broad pelvic shield. 1876Quain's Elem. Anat. (ed. 8) I. 28 The inferior border [of a rib] presents on its inner aspect the subcostal groove. 1882Ibid. (ed. 9) I. 30 The subcostal angle into the centre of which the ensiform process projects. 1890Billings Nat. Med. Dict., Sub-costal angle, that formed by margins of costal cartilages at lower aperture of thorax. 1910Encycl. Brit. (ed. 11) II. 667 Below the last rib a subcostal artery runs.
2. Entom. Situated behind or near the costal vein or nervure of an insect's wing.
1826Kirby & Sp. Entomol. III. 376 Neuræ Subcostales (the Subcostal Nervures). Nervures springing from the under-side of the post-costal nervure, or from each other.
B. n. A subcostal muscle (usually in L. form subcostalis); a subcostal artery, vein, or nervure.
[1733tr. Winslow's Anat. (1756) I. 319 The Sub-Costales having the superior Extremities of their Fibres much more distant from the Vertebral Articulation of the Ribs, than the lower Extremities.] |