Unit 1: reproductive system
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The testes are the sight of :
The male gamete (sperm) production The manufacturer of the male sex hormone - testosterone
What is sperm
The male gamete (sex cell)
What is testosterone
The male sex hormone
Where in the body can seminiferous tubules be found ?
In the testes , they form cooled tubes that connect to the sperm duct
What cells produce testosterone?
Interstitial cells
What do interstitial cells produce
Testosterone
What does motile mean
Can move
What are the 2 main accessory glands
Prostate gland Seminal vesicles
What does the prostate gland do
Secretes a lubricant fluid containing enzymes , keeping the ____ optium viscosity
What do the seminal vesicles do
Secrete a thick liquid rich in sugar to give the sperm energy and prostaglandins
What are ova
The female gamete (sex cell)
What is the function of the ovaries
Produces ova
What is the purpose of follicles in the ovary
To protect the developing ovum and settees hormones
What produces oestrogen ?
The follicle
What does oestrogen do in the menstruated cycle
Simulates proliferation of the endrometruim and effects the consistency of cervical mucus
What does the corpus luteum make
Progesterone
How does the follicle become the corpus luteum
High levels of Lh stimulates the follicle
What does progesterone do
Stimulates further vascularisation of the endometrial and remains at a high level if fertilisation occurs until the placenta takes over
What makes progesterone
The corpus luteum
At puberty what does the pituitary gland release
FSH LH for woman FSH ICSH for men
What is the hypothalamus target
The pituitary gland
What does icsh stand for
Interstitial cell stimulating hormone
What does FHS stand for
Follicle stimulating hormone
What does FSH do in men
Stimulates sperm production in the seminiferous tubles