| 释义 |
orthograde, a.|ˈɔːθəʊgreɪd|
[irreg. f. ortho- + L. -gradus walking: see grade n.]
Holding the body upright.
1902A. Keith in Jrnl. Anat. & Physiol. XXXVII. 18 He [sc. the author] regards the primates as divided into two very distinct groups—those which carry the axis of the body in a horizontal position—the Pronograde Primates..; and those which carry the axis of the body in an upright position—the Orthograde Primates, into which group fall the gibbon, orang, chimpanzee, gorilla, and man. Ibid. 19 It is now generally recognised that the anthropoids, in their natural habitat, carry their bodies in an upright position, i.e. are orthograde. 1925J. Laird Our Minds & their Bodies 46 An orthograde (or erect) animal, like man. 1940Nature 6 July 27/1, I regarded the Gibbon as a representative of the pioneers of the orthograde stock. 1973B. J. Williams Evol. & Human Origins viii. 112/2 Many features of this arboreal primate life..predisposed primates to a more orthograde, upright posture. Ibid. 114/1 Man being completely orthograde has a recurved spine that bends back sharply in the lumbar region. |