title: Studies on the development of endocrine glands in fishes. II. Development of the pineal organ in Clarias batrachus L.
mesh_terms: D000367:Age Factors; D000818:Animals; D005399:Fishes / Q000196:embryology* / Q000254:growth & development; D007814:Larva; D010870:Pineal Gland / Q000196:embryology* / Q000254:growth & development