4.12: Hypothalamic-pituitary Gland Axes

Question 1

HPG axis for Reproduction

Answer 1

Hypothalamus: kisspeptin-> GnRH
Pituitary: LH/FSH
Glands/targets: Gonads
Target hormones: Oestrogen, progesterone, androgen

Question 2

HPG axis for Metabolism

Answer 2

Hypothalamus: TRH
Pituitary: TSH
Glands/targets: Thyroid
Target hormones: T3/4

Question 3

HPG axis for lactation

Answer 3

Hypothalamus: Dopamine
Pituitary: prolactin
Glands/targets: breast

Question 4

HPG axis for growth

Answer 4

Hypothalamus: GHRH
Pituitary: GH
Glands/targets: Liver
Target hormones: IGF1

Question 5

HPG axis for stress

Answer 5

Hypothalamus: CRH
Pituitary: ACTH
Glands/targets: Adrenal
Target hormones: Cortisol, Androgen

Question 6

HPG axis for water balance

Answer 6

Hypothalamus: ADH
Glands: Kidney

Question 7

HPG axis for lactation partuition

Answer 7

Hypothalamus: oxytocin
Gland: uterus/breast