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Los cordados ( Chordata, del griego χορδωτά khordota ‘con cuerda’) son un filo del reino animal caracterizado por la presencia de una cuerda dorsal o notocorda (o notocordio) de células turgentes, 1 tubo neural hueco en posición dorsal, hendiduras branquiales y cola, por lo menos en alguna fase del desarrollo embrionario. 2 Se conocen casi 6...
A chordate ( / ˈkɔːrdeɪt / KOR-dayt) is a deuterostomic animal belonging to the phylum Chordata ( / kɔːrˈdeɪtə / kor-DAY-tə ). All chordates possess, at some point during their larval or adult stages, five distinctive physical characteristics ( synapomorphies) that distinguish them from other taxa.
Chordate, any member of the phylum Chordata, which includes the vertebrates, the most highly evolved animals, as well as two other subphyla—the tunicates and cephalochordates. Some classifications also include the phylum Hemichordata with the chordates.
Chordates, phylum Chordata, are a phylum of animals which have a notochord. The group includes vertebrates, with some closely related invertebrates . Classification. Taxonomy. Phylum Chordata. Tunicata – (tunicates, formerly Urochordata; 3,000 species) † Vetulicolia (8 Cambrian species of fossil) Cephalochordata – (lancelets, 30 species)
The chordates are named for the notochord, which is a flexible, rod-shaped mesodermal structure that is found in the embryonic stage of all chordates and in the adult stage of some chordate species. It is strengthened with glycoproteins similar to cartilage and covered with a collagenous sheath.
Los cordados ( Chordata, del griego χορδωτά khordota ‘con cuerda’) son un filo del reino animal caracterizado por la presencia de una cuerda dorsal o notocorda (o notocordio) de células turgentes, tubo neural hueco en posición dorsal, hendiduras branquiales y cola, por lo menos en alguna fase del desarrollo embrionario.
chordate , Any member of the phylum Chordata, which includes the most highly evolved animals, the vertebrates, as well as the marine invertebrate cephalochordates (see amphioxus) and tunicates. All chordates, at some time in their life cycle, possess a dorsal supporting rod (notochord), gill slits, and a dorsal nerve cord.
