The sperm originate in gonial cells (spermatogonia) in the walls of seminiferous tubules.
精

于输精管壁
性母细胞(精原细胞)。
The sperm originate in gonial cells (spermatogonia) in the walls of seminiferous tubules.
精

于输精管壁
性母细胞(精原细胞)。
Alphafetoprotein production is only seen in liver cell carcinoma.
甲胎蛋白

只见于肝细胞性肝癌。
The acid phosphatase (ACP) in the blood cells of oncomelania hupensis was observed at the light microscope level by the burstone stained technique.
结果在钉螺血淋巴细胞中
伸展性阿米巴细胞胞浆中可见呈棕色颗
ACP
性反应物,而圆形阿米巴细胞胞浆中未见呈棕色颗
ACP
性反应物。
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