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ventral 音标拼音: [v'ɛntrəl] a. 腹的,腹部的,腹侧的
n. 腹鳍 腹的,腹部的,腹侧的腹鳍 ventral adj 1: toward or on or near the belly ( front of a primate or lower surface of a lower animal); " the ventral aspect of the human body"; " the liver is somewhat ventral in position"; " ventral ( or pelvic) fins correspond to the hind limbs of a quadruped" [ ant: { dorsal}] 2: nearest to or facing toward the axis of an organ or organism; " the upper side of a leaf is known as the adaxial surface" [ synonym: { adaxial}, { ventral}] [ ant: { abaxial}, { dorsal}] Ventral \ Ven" tral\, a. [ L. ventralis, fr. venter the belly; perhaps akin to G. wanst: cf. F. ventral.] 1. ( Anat.) Of, pertaining to, or situated near, the belly, or ventral side, of an animal or of one of its parts; hemal; abdominal; as, the ventral fin of a fish; the ventral root of a spinal nerve; -- opposed to { dorsal}. [ 1913 Webster] 2. ( Bot.) ( a) Of or pertaining to that surface of a carpel, petal, etc., which faces toward the center of a flower. ( b) Of or pertaining to the lower side or surface of a creeping moss or other low flowerless plant. Opposed to { dorsal}. [ 1913 Webster] { Ventral fins} ( Zool.), the posterior pair of fins of a fish. They are often situated beneath the belly, but sometimes beneath the throat. { Ventral segment}. ( Acoustics) See { Loop}, n., 5. [ 1913 Webster]
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