Unit 4: Reproductive Systems Flashcards
Sex hormones
Regulate reproduction and secondary sexual characteristics
Testosterone, estrogen and progesterone
Gametes
Are sperm in males and ova in females
Tested
Function in sperm and testosterone production
Two cells in testes
- Seminiferous tubules
- interstitial cels
Ducts within testes
Rete testis and efferent ductules
Houses testes
Scrotum
Wrinkles skin of scrotum
Dartos muscle
Raises or lowers testes
Cremaster muscle
Produce testosterone
Interstitial cells
Site of sperm production
Seminiferous tubules
What is found within the spermatic cord? (4)
- vas deferens
- testicular artery
- testicular vein
- nerves
Seminiferous tubules
Site of sperm production
Flagellum
Tail of sperm
Contains mitochondria
Midpiece of sperm
Which accessory sex gland produces semen
Seminal vesicles, prostate gland and bulbourethral gland
Prostaglandins
Induces contractions in the female tract
Capacitation
Allows for the release of acrosomal enzymes
Gonadotropin releasing hormone
GnRH - stimulates the release of LH and FSH
Luteinizing hormone
LH
Stimulates Interstitial cells to produce testosterone
Mesovarium
Part of broadloom it, attaches ovary to uterus
Mesometrium
Part of broad ligament, surrounds most of uterus
Mesosalpinx
Part of broad ligament, attaches uterine tube to uterus
Ovarian ligament
Attaches ovary to uterus
Suspensory ligaments
Attaches ovary to body wall
What hormone causes ovulation?
LH
Follicular phase
Follicles grow, starts on first day of menstruation and ends ovulation
Ovulation
Due to surge in LH
Luteal phase
Progesterone produced
Estrogen
Stimulates endometrial proliferation and secretion