Definition of Deuterostomes. Meaning of Deuterostomes. Synonyms of Deuterostomes

- also be deuterostomes, but molecular studies have placed them in the protostomes more often. Genetic studies have also revealed that deuterostomes have more...
- lineages, but are not part of the formal definition: All chordates are deuterostomes. This means that, during embryonic development, the **** forms before...
- happened at least twice, following different paths in protostomes and deuterostomes. This accompanied or facilitated other important evolutionary developments:...
- to other bilaterians. Protostomes and deuterostomes differ in several ways. Early in development, deuterostome embryos undergo radial cleavage during...
- between deuterostomes and protostomes remains valid, the descriptive accuracy of the name protostome is dis****ble. Protostome and deuterostome embryos...
- bilaterian animals into two natural groupings: the protostomes and deuterostomes. In animals at least as complex as an earthworm, a dent forms in one...
- criterion used to classify bilaterian animals into protostomes and deuterostomes. In the first multicellular animals, there was probably no mouth or...
- animal species. Bilaterians are traditionally classified as either deuterostomes or protostomes, based on whether the blastopore becomes the **** or...
- model system is the gastruloid. The distinction between protostomes and deuterostomes is based on the direction in which the mouth (stoma) develops in relation...
- separated around 533 million years ago. The Ambulacraria are part of the deuterostomes, a clade that also includes the many Chordata, and the few extinct species...