title: The innervation of the oesophagus of the sea-urchin Heliocidaris erythrogramma.
mesh_terms: D000818:Animals; D001369:Axons / Q000166:cytology; D002923:Cilia; D003063:Cnidaria; D004847:Epithelial Cells; D004848:Epithelium / Q000378:metabolism; D004947:Esophagus / Q000033:anatomy & histology / Q000294:innervation*; D006652:Histological Techniques; D008854:Microscopy, Electron; D009092:Mucous Membrane / Q000033:anatomy & histology / Q000166:cytology; D009132:Muscles / Q000294:innervation; D009413:Nerve Fibers, Myelinated / Q000033:anatomy & histology; D009420:Nervous System / Q000033:anatomy & histology / Q000166:cytology; D009474:Neurons / Q000166:cytology