Hormones involved in repro
Pituitary Gland
Ovaries
Uterus
Oestrogen
Progesterone
Inhibin
Relaxin
Oxytocin
FSH
LH
Oestrogen
Progesterone
Inhibin
Relaxin
Testosterone
FSH
LH
Progesterone
Testosterone
Oestrogen
Chorionic Gonadotrophin
LH
Act in large quantities
Act in minute quantities
Have short half lives - so released continuously or in cycles
Bind to specific receptors
Last a long time
Are non-specific
Preparation for mating
Preparation for birth
Preparation for pregnancy
Mammary growth
Oestrogen
Progesterone
Prolactin
Cortisol
Oestrogen
Prolactin
Prostaglandin
Prepares Uterus for pregnancy
Increases uterine secretions
Closes the cervix
Opens the cervix
Reduces Uterine contractions
Increases Uterine contractions
Prepares mammary glands for partruition by enlargement and preparing for lactation
Anterior Pituitary Gland
Mammary Gland
Ovaries
Cortisol
Relaxin
Oxytocin
Inhibin
Oestradiol
Progestradiol
Oestradilo
Prostaglandin
Prolactin
Cortisol
Ocytocin
Prostaglandin
Prolactin
Cortisol
Oxcytocin
Inhibit FSH and GnRH
Stimulate FSH and GnRH production