Histology Of The Testes Flashcards
1
Q
The septa subdivide the testis into a series of
A
Lobules
2
Q
Distributed among the lobules are how many seminiferous
A
800
3
Q
Seminiferous tubules
A
- Each are 80 cm/32” in length
- Each testis contain 1/2 mile of tubules
- Sperm production takes place there
4
Q
Each lobule contains several seminiferous tubules that merge into
A
Straight tubules that enter the mediastinum of the testis
5
Q
Straight tubules are extensively interconnected forming
A
A maze of passageways known as rete testis
6
Q
15 to 20 efferent ductules connect the
A
Rete testis to the epididymis
7
Q
What surrounds each seminiferous tubule
A
- Connective tissue capsule
- Areolar tissue
- Blood vessels
- Interstitial cells/leydig cells
8
Q
Interstitial cells / leydig cells produce
A
Androgens- androsterone and testosterone
9
Q
Spermatogenesis begins where
A
At the outermost layer of cells in the seminiferous tubules and proceed towards the lumen