deuterostome


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deuterostome

(do͞o′tə-rō-stōm′)
n.
Any of a numerous animals of the group Deuterostomia, in which the anus develops from the first opening in the embryo and the mouth develops later, and including the echinoderms, hemichordates, and chordates.
References in periodicals archive ?
Deuterostome is a broad category that includes animals ranging from the gigantic blue whale to the tiny arrow worm.
Evaluating hypotheses of deuterostome phylogeny and Chordate Evolution with new LSU and SSU ribosomal DNA data.
The chordates (that include vertebrates), hemichordates (that include the living "acorn worms"), and echinoderms (that include the living starfish and echinoids) are all deuterostomes and have the same pattern of early embryo development.
Most animal phyla belong to one of two groups of bilaterians: the protostomes or deuterostomes.
Could it be that the ancestor of the deuterostomes was a bottom-feeding dweller in the dark?
By comparing multiple alignments of the predicted amino acid sequence of BsGS with other deuterostome GSs, we recognized the amino acids of the active sites ([Met.
Gastrulation, in several deuterostome taxa, has been studied in sufficient detail to provide a good example of the roles of ECM components in a fundamental developmental system.
Amongst basal Metazoa, including sponges (Porifera), corals, and sea anemones (Cnidaria), the origins of four major grades of aquaporins present in deuterostome organisms have been resolved via Bayesian inference (Finn et al.
A recent extensive phylogenetic analysis of deuterostome genomic data, however, revealed that the vertebrate superfamily contains 17 classes of aquaporins (Aqp0 - Aqpl6; Finn et al.
Classification and molecular phylogeny of deuterostome AQPs were recently advanced by massive Bayesian analysis (Finn et al.
Echinoderms, deuterostome animals, are one of these groups.