Effect of acetylcholine and eserine on the spawning of Hydractinia echinata.
D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D007448:Invertebrates / Q000494:pharmacology*; D010829:Physiological Phenomena; D010830:Physostigmine / Q000494:pharmacology*
D010830:Physostigmine; D000109:Acetylcholine
ACETYLCHOLINE/pharmacology; INVERTEBRATES/pharmacology; PHYSOSTIGMINE/pharmacology