{"id":5963,"date":"2020-06-15T12:00:00","date_gmt":"2020-06-15T12:00:00","guid":{"rendered":"https:\/\/olgafertilityclinic.com\/physiology\/male\/"},"modified":"2020-06-15T12:00:00","modified_gmt":"2020-06-15T12:00:00","slug":"male","status":"publish","type":"page","link":"https:\/\/olgafertilityclinic.com\/en\/physiology\/male\/","title":{"rendered":"Male reproductive system"},"content":{"rendered":"

The male reproductive system is regualted by hormones. The primary hormones involved in the functioning of the male reproductive system are follicle-stimulating hormone (FSH<\/a>) and luteinizing hormone (LH<\/a>). Both of them regulate testis function. The principle regulator of LH and FSH secretion is gonadotropin-releasing hormone or GnRH. FSH regulates production and maturation of sperm cells. LH stimulates production of the main male hormone – testosterone.<\/p>\n

Fig. 1. Male reproductive system.<\/p>\n

\"\"<\/p>\n

    \n
  1. Urinary bladder<\/li>\n
  2. Ductus deferens<\/li>\n
  3. Penis<\/li>\n
  4. Testis<\/li>\n
  5. Epididymis<\/li>\n
  6. Urethra<\/li>\n
  7. Prostate Gland<\/li>\n
  8. Ejaculatory duct<\/li>\n
  9. Rectum<\/li>\n<\/ol>\n

     <\/p>\n

    Every day millions of spermatozoa are generated by the seminiferous tubules of the testes. From testicles, spermatozoa move to epididymis where further maturation takes place (Fig. 1).<\/p>\n

     <\/p>\n

    During the ejaculation process, the spermatozoa move outside through the ductus deferens and urethra thanks to the muscles contraction. Each portion of sperm contains 300-400 millions of spermatozoa. Such a large quantity is explained by the fact that only a few hundred spermatozoa successfully reach fallopian tubes where the oocyte can be fertilized.<\/p>\n

    \"Male<\/p>\n

    Fig.2. Sex Determination.<\/p>\n

    The spermatozoon consists of head, neck and tail. The head carries the genetic material from the father. If fertilization is successful, this material determines sex of child (Fig. 2).<\/p>\n

    The neck provides energy for spermatozoon movement.<\/p>\n

    \"Male<\/p>\n

    Fig. 3. Spermatozoon’s structure.<\/p>\n

    The spermatozoon’s tail is a "motor". It whips from side to side ensuring the spermatozoon movement (Fig. 3).<\/p>\n","protected":false},"excerpt":{"rendered":"

    The male reproductive system is regualted by hormones. The primary hormones involved in the functioning of the male reproductive system are follicle-stimulating hormone (FSH) and luteinizing hormone (LH). Both of them regulate testis function. The principle regulator of LH and FSH secretion is gonadotropin-releasing hormone or GnRH. FSH regulates production and maturation of sperm cells. LH stimulates production of the<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":5956,"menu_order":1,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"tags":[],"acf":[],"yoast_head":"\nMale reproductive system - O.L.G.A. 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