| 释义 |
exhalant, a. and n.|ˈɛgz-, ɛksˈheɪlənt|
Also 8–9 -ent.
[a. Fr. exhalant, ad. L. exhālant-em, f. exhālāre to exhale.]
A. adj.
1. That exhales, exhaling.
1811Edin. Rev. XIX. 52 Carbonic acid..is..given out directly by the exhalent vessels of the lungs. 1854Woodward Mollusca ii. 243 The exhalent siphon [in Bivalves] has but a single row of tentacles. 1883C. F. Holder in Harper's Mag. Jan. 187/2 Their orifices so arranged that the inhalent are upon the outside of the cylinder, and the exhalent upon the inner side.
2. exhalant (artery, vessel, etc.): that transfuses or conveys (blood, etc.) in minute quantities.
1771T. Percival Ess. Med. & Experim. (1777) I. 253 The lymph which is thrown out, from the exhalant arteries, into the intestines. 1782A. Monro Anat. 35 These exhalent arteries must have corresponding absorbent veins. 1830R. Knox Béclard's Anat. 181 Exhalent arterioles opening at the surface of the peritoneum. 1847Youatt Horse xii. 252 Increased action of the exhalent vessels.
B. n. An exhalant vessel or organ. Obs.
1796Mitchell in Morse Amer. Geog. I. 200 note, Its odour resides in the cuticular exhalants. 1805W. Saunders Min. Waters 463 In fever..the exhalents on the surface of the body will not admit of a free passage to the perspirable fluid. 1820E. T. Luscombe Health of Soldiers 46 The Sun's rays, by which the exhalants on the surface of the body are kept in a state of high excitement. a1841Sir A. Cooper in T. Graham Dom. Med. (1844) 407 Dropsy..arises from an increased action of the exhalents.
attrib.1836Todd Cycl. Anat. I. 605/1 The important exhalent function of the skin is annihilated. |