| statoblasts | | cystid encasement that houses the animal in both autozooids and heterozooids in Bryozoans |
| autozooids | | opens to the tentacular sheath to allow for fertilization, Bryozoans |
| zooecium | | site of egg brooding in Bryozoans that is an extension of the zooecium |
| BrownBodyFormation | | Process by which all soft parts of the body are dissenigrated and reformed, Bryozoan |
| hemorythrin | | another modified appendage in Bryozoans that cleans off detritis by vibrating |
| coelomophore | | larval stage that follows zygote in Bryozoans, modified trocophore for settling |
| heterozooids | | hollow, ciliated tentacles around mouth in Bryozoans and Brachipods |
| funiculus | | asexual reproduction which forms on funiculus and designed for hasrsh conditions, freshwater Bryozoans |
| Cyphonautes | | connected to other zooids to transfer food to colony in Bryozoans |
| lophophore | | larval stage that sometimes, but not always, follows trocophore in Sipuncula |
| Urns | | chemical that provides oxygen to Sipuncula |
| ovicell | | feeding members of Bryozoans colonies |
| pelagosphera | | modifed for cleaning the colony in Bryozoans |
| avicularium | | cells in Brachiopods that contains hemorythrin to transport gases |
| coelomocytes | | fixed on body wall or free roaming cells used to engulf waste particles, Sipuncula |
| vibraculum | | cleans off detritis and any settling larval stages, has a bird-like head |