title: Occurrence of beta-endorphin-like immunoreactive cells in the neural complex of a protochordate.
mesh_terms: D000818:Animals; D004723:Endorphins / Q000032:analysis*; D005455:Fluorescent Antibody Technique; D009420:Nervous System / Q000032:analysis*; D009474:Neurons / Q000032:analysis; D014561:Urochordata / Q000032:analysis*
chemical_list: D004723:Endorphins