The nerve fibres in the basement membrane and related structures in Saccoglossus horsti (Enteropneusta).
D000818:Animals; D001485:Basement Membrane / Q000098:blood supply / Q000294:innervation; D006652:Histological Techniques; D008854:Microscopy, Electron; D009413:Nerve Fibers, Myelinated / Q000166:cytology; D009474:Neurons / Q000166:cytology*; D012908:Snails / Q000166:cytology*