Definition of Paired fins. Meaning of Paired fins. Synonyms of Paired fins

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Definition of Paired fins

Paired fins
Fin Fin, n.[OE. finne, fin, AS. finn; akin to D. vin, G. & Dan. finne, Sw. fena, L. pinna, penna, a wing, feather. Cf. pen a feather.] 1. (Zo["o]l.) An organ of a fish, consisting of a membrane supported by rays, or little bony or cartilaginous ossicles, and serving to balance and propel it in the water. Note: Fishes move through the water chiefly by means of the caudal fin or tail, the principal office of the other fins being to balance or direct the body, though they are also, to a certain extent, employed in producing motion. 2. (Zo["o]l.) A membranous, finlike, swimming organ, as in pteropod and heteropod mollusks. 3. A finlike organ or attachment; a part of an object or product which protrudes like a fin, as: (a) The hand. [Slang] (b) (Com.) A blade of whalebone. [Eng.] --McElrath. (c) (Mech.) A mark or ridge left on a casting at the junction of the parts of a mold. (d) (Mech.) The thin sheet of metal squeezed out between the collars of the rolls in the process of rolling. --Raymond. (e) (Mech.) A feather; a spline. 4. A finlike appendage, as to submarine boats. Apidose fin. (Zo["o]l.) See under Adipose, a. Fin ray (Anat.), one of the hornlike, cartilaginous, or bony, dermal rods which form the skeleton of the fins of fishes. Fin whale (Zo["o]l.), a finback. Paired fins (Zo["o]l.), the pectoral and ventral fins, corresponding to the fore and hind legs of the higher animals. Unpaired, or Median, fins (Zo["o]l.), the dorsal, caudal, and anal fins.

Meaning of Paired fins from wikipedia

- divided into two groups: the midsagittal unpaired fins and the more laterally located paired fins. Unpaired fins are predominantly ****ociated with generating...
- thrust by moving fins back and forth in water. Often the tail fin is used, but some aquatic animals generate thrust from pectoral fins. Fins can also generate...
- Pelvic fins or ventral fins are paired fins located on the ventral (belly) surface of fish, and are the lower of the only two sets of paired fins (the other...
- pectoral fins or both their anal and dorsal fins. Different types of Median paired fin propulsion can be achieved by preferentially using one fin pair over...
- possessed two pairs of paired fins. Until recently these ancestors, known as antiarchs, were thought to have lacked pectoral or pelvic fins. In addition...
- Early lobe-finned fishes are bony fish with fleshy, lobed, paired fins, which are joined to the body by a single bone. The fins of lobe-finned fishes differ...
- body with a short head and broad, paddle-shaped paired fins. The caudal peduncle (to which the tail fin is attached) comprises over half the shark's length...
- oxygen from water using gills, has two sets of paired fins, one or two dorsal fins, an anal fin and a tail fin, jaws, skin covered with scales, and lays eggs...
- armor. Coelacanths have eight fins – two dorsal fins, two pectoral fins, two pelvic fins, one anal fin and one caudal fin. The tail is very nearly equally...
- paired fins, and their complicated cranial anatomy. The osteostracans were more similar to lampreys than to jawed vertebrates in possessing two pairs...