... >> Natural Science >> Zoology >> Deuterostomia
Highest Rated Sign
Nobody has posted a sign yet.
Definition: A group of phyla in which cleavage is indeterminate (regulative) and ancestrally radial. The endomesoderm is enterocoelous, and the mouth is derived away from the blastopore. Includes Echinodennata, Chordata, and Hemichordata.
Source: Hickman, C.P., et al. 2011. Integrated Principles of Zoology. Fifteenth Edition. McGraw-Hill Higher Education.