Reproductive And Urinary System Flashcards
1
Q
What does sexually dimorphic mean ?
A
- Males and females are physically distinct
2
Q
Where is sexual development programmed ?
A
- in the genome.
3
Q
What are gonads ?
A
- contain germ cells and produce gametes and sex hormones
4
Q
What are male gonads ?
A
- testes
- sperm
5
Q
What are female gonads?
A
- ovaries
- eggs
6
Q
What is testosterone?
A
- A potent androgen
- responsible for development and maintenance of male secondary sexual characteristics
7
Q
Where is testosterone synthesised?
A
-leydig cells of testes
8
Q
What are the 2 weak androgens from the adrenal cortex ?
A
- dehydroepiandrosterone (DHEA) and androstenedione
9
Q
Actions of Testosteronee we
A
- increased growth of body hair
- Enlargement of the larynx and thickening of the
vocal cords - Thickening of the skin
- Muscle growth, widening of shoulders,
narrowing of waist - Thickening and strengthening of bones