ClipArt ETC
"Vertical section of a sea anemone. t., Tentacles; o., mouth; oes., oesophagus; c., c'., apertures through a mesentery; a., a'., acontia; g., genital organs on mesentery; m.f., mesenteric filaments; m.l. longitudinal muscles; s., primary septum or mesentery; s'., secondary septum; s''., tertiary septum; v., basal disc." -Thomson, 1916

Sea Anemone

"Vertical section of a sea anemone. t., Tentacles; o., mouth; oes., oesophagus; c., c'., apertures through…