title: Studies on the thymus of the Nile teleost fish, Clarias lazera C. and V.
mesh_terms: D000367:Age Factors; D000818:Animals; D005399:Fishes / Q000033:anatomy & histology*; D006652:Histological Techniques; D007668:Kidney / Q000502:physiology; D013950:Thymus Gland / Q000033:anatomy & histology* / Q000254:growth & development / Q000502:physiology