title: Influence of light and darkness on secretory activity of the subcommissural organ and on growth rate of Reissner's fibre in Rana esculenta L. A cytological and autoradiographical study.
mesh_terms: D000818:Animals; D001001:Anura; D001345:Autoradiography; D002467:Cell Nucleus; D003545:Cysteine; D003624:Darkness; D005260:Female; D006128:Growth; D008027:Light; D008297:Male; D008636:Mesencephalon / Q000166:cytology / Q000378:metabolism*; D009413:Nerve Fibers, Myelinated / Q000254:growth & development; D009474:Neurons / Q000166:cytology*; D011893:Rana esculenta; D013116:Spinal Cord / Q000166:cytology*; D013460:Sulfur Isotopes; D013696:Temperature; D013997:Time Factors
chemical_list: D013460:Sulfur Isotopes; D003545:Cysteine