| 释义 |
haustrum Anat.|ˈhɔːstrəm|
Pl. haustra.
[mod. use of L. haustrum bucket, scoop, f. haurīre, haust- to draw (water).]
Each of the small sacs enclosed by folds in the colon. Hence ˈhaustral a.
[1826J. Lizars Syst. Anat. Plates. Descriptions of Plates. xi. 30 These bands purse the colon into these peculiar pouches or cells ([Footnote] Syn. Cellulæ seu haustra) so characteristic of this intestine. ]1889A. Macalister Text-bk. Human Anat. §257. 405 Its [the colon's] cavity is to some extent sacculated, the haustra, or pouches being separated by crescentic plicæ sigmoideæ. 1913Dorland Med. Dict. (ed. 7), Haustral, pertaining to the haustra of the colon. 1936Med. Rec. 1 Jan. 28/1 The loss of haustral markings with and without dilatation, was found much less frequently. 1959R. D. Lockhart et al. Anat. Human Body 522 Compared with the smooth small intestine, the large is sacculated along its length, the sacculations or haustra bulging between three equidistant longitudinal bands. |