论文部分内容阅读
也不知道老天爷的安排是无意还是有意,反正这受孕坐胎的过程是非常奇妙的。父精母卵合二为,首先需要物质条件。就先说精子吧。精液中占1/10体积的是精子,这些活跃的“小蝌蚪”从原始的“种子”发育到接近成熟的精子需要将近3个月,然后就贮存在附睾中(在睾丸背侧)蓄势待发。睾丸制造精子的过程特怕热喜凉,就连腹腔内的温度(<38℃)它都受不了,所以男人的睾丸都是悬在阴部外面凉快
Do not know God’s arrangement is intentionless or intentional, anyway, this conception of the fetus is a very wonderful process. Parent sperm and egg together, the first need of material conditions. Let’s talk about sperm About a tenth of the volume in sperm is sperm. It takes nearly 3 months for these active “baby tadpoles” to grow from primordial “seed” to nearly mature sperm and then store in the epididymis Side) ready to go. The process of testicular sperm manufacturing is especially hot and cold, and even intraperitoneal temperatures (<38 ℃) can not stand it, so the testicles of men are suspended outside of the genitals