gill arch
31Aquatic respiration — is the process whereby an aquatic animal obtains oxygen from water. Earth s natural bodies of water have a low oxygen concentration much lower than the level of oxygen in air at the earth s surface. Smaller organisms can obtain sufficient oxygen… …
32Ichthyology terms — Ichthyology uses several terms that are unique to the science.Contents: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z NOTOC A * Abdomen: belly * Abdominal: pertaining to the belly * Actinosts: a series of bones at the base of the pectoral… …
33perciform — ▪ fish order Introduction any member of the order Perciformes, a group of bony fishes with more than 6,000 species placed in about 150 families. The order is the largest group of fishes in the world today. Perciform fishes occur in… …
34Hyoid bone — Bone: Hyoid bone Hyoid bone. Anterior surface. Enlarged …
35External gills — are the gills of an animal, most typically an amphibian, that are exposed to the environment, rather than set inside the pharynx and covered by gill slits, as they are in most fishes. Instead, the respiratory organs are set on a frill of stalks… …
36Glandulocaudinae — Taxobox name = Glandulocaudinae regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Characiformes familia = Characidae subfamilia = Glandulocaudinae subdivision ranks = Genera subdivision = Acrobrycon Argopleura Chrysobrycon… …
37anatomical structure — noun a particular complex anatomical part of a living thing he has good bone structure • Syn: ↑structure, ↑complex body part, ↑bodily structure, ↑body structure • Hypernyms: ↑body part …
38bodily structure — noun a particular complex anatomical part of a living thing he has good bone structure • Syn: ↑structure, ↑anatomical structure, ↑complex body part, ↑body structure • Hypernyms: ↑body part …
39body structure — noun a particular complex anatomical part of a living thing he has good bone structure • Syn: ↑structure, ↑anatomical structure, ↑complex body part, ↑bodily structure • Hypernyms: ↑body part …
40complex body part — noun a particular complex anatomical part of a living thing he has good bone structure • Syn: ↑structure, ↑anatomical structure, ↑bodily structure, ↑body structure • Hypernyms: ↑body part …
