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Histology of oocyte and liver in wild and captive-reared S. o’connori. (A, B) The oocytes at stages IV in ovaries of wild S. o’connori. (C, D) The oocytes at stages IV in ovaries of captive-reared S. o’connori. Red star: atresia oocytes; Black arrow: chorion; Red arrow: follicular cell layer. The liver in wild (E) and captive-reared (F) S. o’connori. Black arrow: liquefied cytoplasm.
