Endocrine System Flashcards
Testosterone
Male hormone
Used for sperm production and development of secondary sex characteristics
Used in synchronisation by injecting teaser to encourage bull/ram like behaviour which encourages female to cycle
FSH
Follicle stimulating hormone
Encourage development of follicles
Female - can increase ovulation
- stimulates the development of follicles
Male - stimulates production do spermatozoa
Progesterone
Produced in corpus luteum Helps maintain pregnancy Development of uterine wall Used for prevention of oestrus and ovulation Stops females coming onto heat
Oestrogen
Produced by maturing follicle
Functions of oestrogen
Stimulation of oestrus, enlargement of vulva, secretions from cervix
Relaxin
Produced by ovaries
Causes pelvis ligaments to relax during birth
Luteinising hormone
Causes mature follicle to rupture
male - stimulates the production of testosterone
Female - causes corpus leutum to rupture
Prolactin
Maintains lactation
Oxytocin
Stimulates milk letdown
Helps uterine contractions during birth
Prostaglandin
Brings females in to heat and shortens oestrus cycle
Gonadotropins
Produced in gonads
Females - is the ovaries
Makes - is the testes
What Is produced in the pituitary gland
Gonadotropins
Prolactin
Oxytocin
What is produced in the gonads
Oestrogen
Progesterone
Testosterone
Relaxin
