| 释义 |
tracheal, a.|ˈtreɪkiːəl, trəˈkiːəl|
[ad. mod.L. trāchēālis, f. prec.: see -al1.]
1. Anat. and Zool.
a. Of, pertaining to, or connected with the trachea or windpipe.
tracheal artery: † (a) = trachea 1 a (obs.); (b) each of the small arteries, branches of the inferior thyroid, which supply the trachea.
1710T. Fuller Pharm. Extemp. 271 The Remedy..is convey'd..into the Tracheal Ducts. 1725Bradley's Fam. Dict. s.v. Spitting of blood, If it [the Blood] proceeds from the Oesophagum,..or from the Stomach, Lungs, Tracheal Artery, or the Breast. 1849Lytton Caxtons ii. iii, Coughing is either a tracheal, bronchial, pulmonary, or ganglionic affection. 1857Dunglison Med. Lex., Tracheal Glands, mucous follicles on the posterior surface of the trachea. 1881Mivart Cat 227 The tracheal cartilages.
b. Pertaining to or of the nature of the tracheæ of insects and other arthropods; connected with tracheæ, as tracheal gills; performed by means of tracheæ, as tracheal respiration. (In quot. 1899 = tracheate a.)
1826Kirby & Sp. Entomol. IV. xxxviii. 64 The ramifications of the tracheal tree may be seen without dissection. 1888Rolleston & Jackson Anim. Life 505 (Insecta) Respiration is tracheal... Each stigma leads into a single tracheal stem, rarely into several. 1899Allbutt's Syst. Med. VIII. 865 The tracheal order of the Arachnidæ.
2. Bot. Of the nature of, or composed of, tracheæ: see prec. 2.
1828Stark Elem. Nat. Hist. II. 454 The Monocotyledonous vegetables have, besides this cellular tissue, porous and tracheal vessels. 1885G. L. Goodale Physiol. Bot. §265. 81 To this class of elements it is difficult to give any satisfactory name... The name Tracheal (or Tracheary),..while it is a significant term when applied to trachea-like bodies (ducts) is a misnomer when applied to an elongated cell wholly free from annular or spiral markings. |
单词 flushness 释义 flushness[f. flush a.1]The quality of condition of being flush in vari......