WebStudy with Quizlet and memorize flashcards containing terms like The appendicular skeleton includes what two main parts?, What is the function of the girdles?, What is the anterior … WebJan 2, 2007 · Lepidotrichia are dermal elements located at the distal margin of osteichthyan fins. In sarcopterygians and actinopterygians, the term has been used to denote the most distal bony hemisegments and also the more proximal, scale-covered segments which overlie endochondral bones of the fin.

Fish fin - Wikipedia

Their principal function is to help the fish swim. Fins located in different places on the fish serve different purposes such as moving forward, turning, keeping an upright position or stopping. Most fish use fins when swimming, flying fish use pectoral fins for gliding, and frogfish use them for crawling. See more Fins are distinctive anatomical features composed of bony spines or rays protruding from the body of a fish. They are covered with skin and joined together either in a webbed fashion, as seen in most bony fish, or similar to a See more Bony fishes form a taxonomic group called Osteichthyes (or Euteleostomi, which includes also land vertebrates). They have skeletons made of bone mostly, and can be contrasted with See more Cartilaginous fishes form a class of fishes called Chondrichthyes. They have skeletons made of cartilage rather than bone. … See more Evolution of paired fins There are two prevailing hypotheses that have been historically debated as models for the evolution of … See more Fins can either be paired or unpaired. The pectoral and pelvic fins are paired, whereas the dorsal, anal and caudal fins are unpaired and … See more Generating thrust Foil shaped fins generate thrust when moved, the lift of the fin sets water or air in motion and pushes the fin in the opposite direction. Aquatic … See more The use of fins for the propulsion of aquatic animals can be remarkably effective. It has been calculated that some fish can achieve a propulsive efficiency greater than 90%. Fish can accelerate and maneuver much more effectively than boats or submarine, … See more http://homes.hendrix.edu/dearolf/perchanatomy.doc spoth\u0027s transit rd

Homology of fin lepidotrichia in osteichthyan fishes

WebIn fishes, abduction of the jaw is driven by trunk muscles moving the cranium and shoulder girdle. This motion is transmitted to the hyoid and mandible via ligaments (white) and a four-bar linkage... WebNearly all fish species are ectothermic, or cold-blooded. They are not capable of regulating their own body temperature and depend on their surrounding … Webceratotrichium — (plural ceratotrichia)) a long, horny or keratinous, non cellular, cylindrical, flexible and non segmented ray which supports the fins of Elasmobranchii and … spoth\u0027s farm market - east amherst