Trace the male gamete from its earliest stage-the spermatogonium in the seminife

Question

Trace the male gamete from its earliest stage-the spermatogonium in the seminiferous tubule-through the stages of spermatogenesis to a mature sperm, and then through the male reproductive tract until it exits the body and enters the uterine tube of the female reproductive tract. Fill in the space below.

Start: Spermatogonium ____________________________________________________________________________________________________________________________________________________________________________________________ End: Uterine tube

Explanation / Answer

spermatogonium divides to form diploid spermatogonia which then divides by mitosis inside the testes to form primary spermatocyte which further undergoes meiotic division I and form secondry spermatocyte which is haploid , which further undergoes second meiotic division and forms haploid spermatocyte ( haploid) which undergoes division to form sperm .

at coitus, human sperm are deposited into anterior vagina . they quickly contact the cervical mucus and enter the cervix , in the uterus muscular contractions may enhance passage of sperm through the uterin e cavity . sperms swim through the uterotubal junction to reach the fallopian tubes ( uterine tube )

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