| 释义 |
▪ I. brachial, a.|ˈbrækɪəl, ˈbreɪkɪəl|
Also 6 brachiall.
[ad. L. brāchiālis, f. brāchium, bracchium an arm (see -al1); cf. F. brachial.]
1. Belonging to the arm; chiefly in Phys., as brachial vein, brachial artery, brachial nerve, brachial muscle, brachial ganglion, etc.; also brachial tooth, an obs. name for the styloid process of the ulna. Rare in non-technical use.
1578Banister Hist. Man iii. 42 Two distinct orders of Brachiall bones. 1726Monro Anat. Nerves (1741) 66 It contributes to form the brachial Nerves. 1841Catlin N. Amer. Ind. (1844) II. lviii. 225 Inferior in brachial strength.
2. Of the nature of, or resembling, an arm. (Zool.)
1835Kirby Hab. & Inst. Anim. II. xvii. 106 Twelve tentacles rather smaller than the brachial ones. 1836Todd Cycl. Anat. & Phys. I. 36/2 The mouth, surrounded by four brachial appendages.
▪ II. brachial, n.
[f. the adj.]
1. = brachial artery, vein, etc.: see brachial a. 1.
1859Todd Cycl. Anat. & Phys. V. 542/1 The brachials and femorals are split up..into hair-like capillaries.
2. Zool.
a. One of a series of bones in fishes to which the pectoral fins are attached.
1873Mivart Elem. Anat. 162 The fourth or lowest of the four brachials which together may represent the humerus, and to which the fin-rays are attached.
b. One of the calcareous plates in the branches of a crinoid.
1888Rolleston & Jackson Anim. Life 572 The joints of the arms [in Crinoids] are termed brachials. 1962D. Nichols Echinoderms ii. 24 The skeletal pieces supporting the arms are called brachials. |