DICT.TW Dictionary Taiwan

 Ven·tral a.
 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.
 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.
 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.
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