BIOL 2030 Lecture Notes - Swim Bladder, Rete Mirabile, Neural Crest
12 Nov 2012
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Document Summary
Fishes group of aquatic limbless vertebrates, breathing mainly by means of gills, with streamlined bodies and fins and with the body covered in scales (in bony fishes), and comprising the chondrichthyes (cartilaginous fishes) and the osteichthyes (bony fishes). Actinopterygii the ray-finned fishes, a subclass of bony fishes (osteichthyes) which includes all extant bony fishes except the lungfishes (dipnoi) and the coelacanth. Agnatha taxon of primitive jawless verte3brates, including the lampreys (monorhina), hagfishes. Ammocoete larva larva of lamprey (diplorhina) and their extinct relatives. Anadromous fishes which migrate from salt to fresh water annually. Dorsal aorta major artery carrying oxygenated blood to the rest of the body in vertebrates and cephalochordates. Aortic arch paired arteries in vertebrate embryos, which connect dorsal and ventral arteries, running between gill slits on either side. Barbel a slender, external process on the jaw or other part of the head of certain fishes.
