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精液由精子和精浆组成。精子是男性的生殖细胞,是由睾丸生精细胞分化衍生而来,在附睾内成熟,由输精管输出。精浆是男性附属性腺分泌物的混合液,有输送精子、提供精子营养、激发精子活力等作用。在排精过程中,精子和精浆混合组成精液。男性不育与精液质量密切相关。精液的常规检查包括精液量、液化时间、酸碱度、黏稠度、精子密
Sperm and sperm by the composition of sperm. Spermatozoa are male germ cells that are derived from the differentiation of testicular spermatogenic cells and mature within the epididymis and are exported by the vas deferens. Seminal fluid is a subsidiary of male gonadal secretion mixture, delivery of sperm, providing sperm nutrition, stimulate sperm motility and so on. In the process of ejaculation, sperm and seminal plasma composition of semen. Male infertility and semen quality are closely related. Routine routine examination of sperm volume, liquefaction time, pH, viscosity, sperm dense