Scrotum And Position Of The Testes Flashcards
1
Q
Raphe
A
A raised thickening in the scrotal surface divides testes in 2
2
Q
Each testis lies in a separate chamber called
A
Scrotal cavity
3
Q
Tunica vaginalis
A
- Serous membrane lines the scrotal cavity
2. Reduces friction between the opposing parietal (scrotal) and visceral (testicular) surfaces.
4
Q
Dartos muscle
A
Layer of smooth muscle in dermis of scrotum.
Resting muscle tone elevates testes.
5
Q
Cremaster muscle
A
Lies deep to dermis
Skeletal muscle
Contact during arousal or to decreased temperature
6
Q
Cremaster reflex
A
Initiated by stroking skin on the upper thigh, causing scrotum to move the testes closer to the body.
7
Q
For spermatozoa to develop normally the temperature must be
A
About 1.1 degrees Celsius or 2 degrees Fahrenheit lower than elsewhere in the body
