Developmental Hormones

Question 1

gonadotropin releasing hormone

• source
• target
• action

Answer 1

• source: hypothalamus (brain)
• target: anterior pituitary
• action: synthesis and secretion of FSH and LH by the anterior pituitary

Question 2

follicale stimulating hormone

• source
• target
• action

Answer 2

• source: anterior pituitary
• target: ovary
• action: stimulates ovarian follicle growth, differentiation,, and steroidogenesis (estrogen)

Question 3

luteinizing hormone

• source
• target
• action

Answer 3

• source: ant pit
• target: ovary
• action: stimulates ovulation, corpus luteum formation and steroidogenesis (progesterone)
• surge triggers ovulation

Question 4

estrogen

• source
• target
• action

Answer 4

• source: ovary, follicle cells
• target: uterus, vagina, oviduct, mammary glands
• action: growth and differentiation of targets (particularly follicular cells)
• dominant in the first half of the menstrual cycle

Question 5

progesterone

• source
• target
• action

Answer 5

• source: corpus luteum
• target: uterus, vagina, oviducts, mammary glands
• action: growth and differentiation of targets
• goes up as the corpus luteum is developing
• dominant in the second half of the menstrual cycle