This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Ascidia mentula . en Diagrammatic dissection of Ascidia mentula at atrial orifice br branchial orifice brs branchial sac dl dorsal lamina end endostyle mantle ng nerve ganglion oea orifice of gullet pbr peribranchial cavity st stomach test tn tentacles biodiversitylibrary org page Guide to the shell and starfish galleries of the