★ Must-know
📌 Testosterone is important for external genital development in both sexes; halted testosterone secretion may produce female-appearing genitalia in a male fetus, whereas excessive maternal testosterone may produce male-appearing or ambiguous genitalia in a female fetus.
Further detail
1. Which function distinguishes gonads from reproductive ducts?
2. Which hormonal sequence initiates puberty?
3. Which set of changes is most closely associated with estrogen activity?
What are gonads responsible for producing and secreting?
Gametes and reproductive hormones.
What triggers puberty by stimulating the anterior pituitary?
Gonadotropin-releasing hormone from the hypothalamus.
Which organs produce androgens?
The adrenal cortex, testes, and ovaries.
Name two female secondary sex characteristics.
Pelvic widening and breast development.
What cells in the testes produce testosterone?
Leydig cells.
What does the vas deferens carry and how does it move sperm?
It carries sperm from the epididymis to the ejaculatory duct by peristaltic contractions.
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