Fig. 5 in Hormonal Regulation of Testicular Development in the Finless Porpoise Neophocaena asiaeorientalis sunameri: Preliminary Evidence from Testicular Histology and Immunohistochemistry

Fig. 5. Immunoexpression of testosterone (A: 0.1yr, B: 3.5yr and C: 8yr) and estradiol (D: 0.1yr, E: 3.5yr and F: 8yr) in testes from birth to adulthood. Upper insert on panel A: negative control. Black arrows represent spermatozoa. Scale bar = 50 µm. © 2018 Academia Sinica, Taiwan