Unlike a woman who will have around mature eggs throughout a lifetime, which can be released from the follicles in the ovaries and potentially be fertilized, a healthy man will produce billions of sperm in his entire lifetime. All the sperm production and maturation take place in the lumen of the seminiferous tubules of the testis as shown in figure 1. Within the walls of these tubules the sperm cells are produced and matures. Also, in the tubes, there are many different cells of which the most important is the Sertoli cells. These cells function to support and nourish the immature sperm cells by giving them nutrients and blood products. Once the sperm cells are mature, they are transported to the Epididymis and later into Ductus deferens for temporary storage and where they here undergo another maturation process necessary for them to acquire the ability to be motile swim.
How Is Sperm Produced?
Sperm Production | How is Sperm Produced? | Spermatogenesis
Testosterone is the primary male androgen sex hormone that is vital for pubertal maturation and sexual development. Although there are many other critical functions of testosterone in the body metabolism, heart health, brain support , the process of spermatogenesis is foremost. What is the connection between testosterone and sperm production, and what happens when a man has Low T? Those are the questions we will answer. The process that takes immature germ cells through maturation into sperm cells capable of fertilizing an egg oocyte is called spermatogenesis. It encompasses the early development of the spermatozoa all the way through transportation into the seminiferous tubule for further maturation, and then to the epididymis for storage until ready to exit the body.
Spermatogenesis , the origin and development of the sperm cells within the male reproductive organs, the testes. The testes are composed of numerous thin, tightly coiled tubules known as the seminiferous tubules; the sperm cells are produced within the walls of the tubules. Within the walls of the tubules, also, are many randomly scattered cells, called Sertoli cells , that function to support and nourish the immature sperm cells by giving them nutrients and blood products. As the young germ cells grow, the Sertoli cells help to transport them from the outer surface of the seminiferous tubule to the central channel of the tubule. Sperm cells are continually being produced by the testes, but not all areas of the seminiferous tubules produce sperm cells at the same time.
Sperm production is hormonally driven. Brain hormones govern sperm production and are precisely controlled. The hypothalamus secretes gonadotropin-releasing hormone GnRH , which acts on the anterior pituitary gland, stimulating it to release follicle stimulating hormone FSH and leutinizing hormone LH. FSH and LH are released into the bloodstream and act only on the testes to encourage spermatogenesis within seminiferous tubules action of FSH and testosterone production by neighboring Leydig cells action of LH between the seminiferous tubules Figure 1.