Human Reproduction. pubic bone urinary bladder ureter rectum seminal vesicle prostate gland bulbourethral gland vas deferens epididymis testis scrotum.

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Presentation transcript:

Human Reproduction

pubic bone urinary bladder ureter rectum seminal vesicle prostate gland bulbourethral gland vas deferens epididymis testis scrotum urethral opening penis urethra

vas deferens epididymis uncoiled seminiferous tubule testis spermatogonia A section through the testis daughter cells sperm Sertoli cells interstitial cell Cross-section of a seminiferous tubule

occurs continuously starting at puberty spermatogonium primary spermatocyte secondary spermatocytes spermatids sperm Mitosis Meiosis I Meiosis II Differentiation

fimbria ovary uterine tube urinary bladder pubic bone urethra clitoris labia anus rectum vagina cervix uterus myometrium endometrium

uterine tube ovulating egg ovary Ovulated secondary oocyte (egg) Ruptured follicle Corpus luteum Degenerating corpus luteum Undeveloped follicles, each containing a primary oocyte Developing follicles Mature follicle with a secondary oocyte

develops in the fetusproduced monthly beginning at puberty egg polar body oogonium primary oocyte secondary oocyte (egg) produced after fertilization MitosisMeiosis I Meiosis II

secondary oocyte (egg) corona radiatazona pellucida An ovulated secondary oocyte Sperm surrounding an oocyte

The vas deferens is severed and its ends are sealed The uterine tube is severed and its ends are sealed ovary uterus testis scrotum VasectomyTubal ligation

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