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reproductive system (female reproductive system (OOGENESIS (Process of…
reproductive system
female reproductive system
Functions in production of female gamete (ovum or egg) and preparation for support of developing embryo during pregnancy
Ovaries – female sex organs
Ductus system – delivery of female gamete
•Uterine (Fallopian) tube
•Uterus
•Vagina
ovaries
Female gonad
paired, almond-shaped organ on either side of uterus
Primary female sex organ
Fibrous capsule is called tunica albuginea
Outer cortex houses developing female gamete, the oocyte,
within follicles (sac-like structures holding the oocyte)
Inner medulla contains loose connective tissue with large
blood vessels and nerves
support for ovaries
•Suspensory ligaments –secures ovary to lateral walls of pelvis
•Ovarian ligament –
attach ovary to uterus
•Broad ligament –encloses suspensory
ligament
OOGENESIS
Process of producing ova /ovum (egg cells)
Total supply of eggs are present at birth
•Ovulation (ability to release eggs)
Females are born with all the eggs that they will have
begins at puberty
•Reproductive ability ends at menopause
•Oocytes are matured in developing ovarian follicles
•Matured oocyte (eggs) are called Graafian follicle
just before being released
Major functions of the
Reproductive system
male reproductive system
Testes – primary sex organ
Sperm – male gamete
Functions to produce and disseminate a large quantity of male
gamete (sex cells = sperm)
Goal is to produce sperm and deliver it to the egg
Ductus system – delivery of male gamete (sperm)
Epididymis
Ductus deferens (Vas deferens)
Urethra
male sex hormone
Leutinizing Hormone (LH) – stimulates
seminiferous tubules to secrete testosterone
Follicle stimulating hormone (FSH) – at puberty stimulates Sertoli cells for sperm production and maturation, & inhibin
Both LH and FSH – released by anterior pituitary gland in the brain
•Gonadotropin releasing hormone
(GnRH) – released by hypothalamus in the brain to stimulate anterior pituitary gland to release LH and FSH
Triggered by low levels of testosterone
Controlled by negative feedback
Testosterone – stimulates reproductive organ development and
sex drive (male & female)
Deepening of voice
Increased hair growth
Causes secondary sex characteristics
Enlargement of skeletal muscles
Adrenal glands also produce testosterone but testicular testosterone necessary for male reproductive functioning
(including sperm production)
Thickening of bones
•Inhibin – released by the testes when high levels of testosterone are present to stimulate hypothalamus to releasegonadotropin inhibiting hormone (GnIH) toSTOP production of LH and FSH
Anatomy of male and female reproductive structures & their functions
disorders of the
reproductive system
primary
secondary/accessory
secondary/accessory