Presence of enterochromaffin cells in the gut of Amphioxus.
D000818:Animals; D004396:Coloring Agents; D004759:Enterochromaffin Cells; D041981:Gastrointestinal Tract / Q000033:anatomy & histology*; D006801:Humans; D064175:Lancelets; D013194:Staining and Labeling
D004396:Coloring Agents
GASTROINTESTINAL SYSTEM/anatomy and histology; STAINS AND STAINING