Protostome

What do we mean by protostome?

Any of numerous invertebrate animals of the group Protostomia, in which the mouth develops from the first opening in the embryo and the anus develops later, and including the mollusks, annelids, and arthropods. noun

Any animal, of the former taxon Protostomia, in which the mouth is derived from the embryonic blastopore noun

Any animal, of the taxon Protostomia, in which the mouth is derived from the embryonic blastopore

1. Any of the group of bilaterally symmetric animals whose major indentation while they are still tiny embryos ultimately becomes their anus (e.g. clams, squids and insects), as opposed to their mouth, as in all other complex animals ('deuterostomes'--e.g. sea cucumbers, sea urchins and humans). 2. A person who spends far too much time talking shit and shitting on other people's ideas. Urban Dictionary

Words that are spelled similarly to protostome:
protostome, protostoma, protostele, proctostomy, protostomes, protostomia, proteosome.

Nouns that are often described by the adjective protostome:
animals, dichotomy.

Words that sound like protostome:
protostome, protistan, protesting, pretesting, protista, precious time, protest, protests, predestine, protesta, protestant, protozoa, protozoan, proteome, protozoon, protested, protist, protester, pretest, protestor, protists, progestin, pre test, price system, pre-test, pretests, proudest, protostar, precious stone, protium, protem, precious stones, peristome, producto, potstone.