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Hasil cari dari kata atau frase: Ventral segment (0.01953 detik)
Found 1 items, similar to Ventral segment.
English → English (gcide) Definition: Ventral segment Segment \Seg"ment\, n. [L. segmentum, fr. secare to cut, cut off: cf. F. segment. See Saw a cutting instrument.] 1. One of the parts into which any body naturally separates or is divided; a part divided or cut off; a section; a portion; as, a segment of an orange; a segment of a compound or divided leaf. [1913 Webster] 2. (Geom.) A part cut off from a figure by a line or plane; especially, that part of a circle contained between a chord and an arc of that circle, or so much of the circle as is cut off by the chord; as, the segment acb in the Illustration. [1913 Webster] 3. (Mach.) (a) A piece in the form of the sector of a circle, or part of a ring; as, the segment of a sectional fly wheel or flywheel rim. (b) A segment gear. [1913 Webster] 4. (Biol.) (a) One of the cells or division formed by segmentation, as in egg cleavage or in fissiparous cell formation. (b) One of the divisions, rings, or joints into which many animal bodies are divided; a somite; a metamere; a somatome. [1913 Webster] Segment gear, a piece for receiving or communicating reciprocating motion from or to a cogwheel, consisting of a sector of a circular gear, or ring, having cogs on the periphery, or face. Segment of a line, the part of a line contained between two points on it. Segment of a sphere, the part of a sphere cut off by a plane, or included between two parallel planes. Ventral segment. (Acoustics) See Loor, n., 5. [1913 Webster] 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 (Zo["o]l.), 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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