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REPRODUCTION SYSTEM, spermatogenesis, oogenesis, Screenshot (23), REGITA…
REPRODUCTION SYSTEM
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HORMON REGULATION
ESTROGEN
Estrogen is a steroid hormone that is produced mostly by the ovaries (theca interna follicles) and partly by the adrenal cortex and placenta.
PROGESTERON
Progesterone is a steroid hormone produced by the corpus luteum (becomes the secretory stage), placenta and follicles. The uterus, which has developed due to the influence of the hormone estrogen, is further influenced by the hormone progesterone
GnRH
Gonadotropin-releasing hormone or GnRH hormone is a hormone that plays a major role in determining male and female fertility.
FSH
In women, the hormone FSH will ensure smooth menstrual cycles. This hormone also stimulates the development and maturity of eggs in the ovaries (ovaries).
While in men, this reproductive hormone plays a role in ensuring the process of forming sperm cells (spermatogenesis) goes well.
LH
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in men the LH hormone is also able to stimulate Leydig cells in the testes to produce testosterone which affects healthy sperm production in men.
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PHYSICAL CHANGES
WOMAN
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Narrow shoulders, wide hips and thighs together
Secretion of sebaceous cells is more watery so the skin becomes smoother, inhibit comedones
Enlargement of breast, uterus, vagina
MAN
larynx enlarges, vocal cords lengthen and thicken, deep voice
a beard appears, the hairline of the head recedes, hair grows in certain areas
the penis lengthens and widens, the scrotum darkens and folds
broad shoulders, enlarged muscles
SPERMATOGENESIS
the process of formation of spermatozoa that occurs in the testes, precisely in the seminiferous tubules.
OOGENESIS
Oogenesis is the process of forming an ovum from germ cells in the ovary, this process occurs in the ovary.
MENOPAUSAL CYCLE
Menopause occurs when the ovaries are unable to produce enough of the hormones estrogen and progesterone to maintain the menstrual cycle
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