Topic 17: Reproductive System - Male Ducts + Penis Flashcards
Where do the ducts in the male reproductive system extend to? (2)
from seminiferous tubules to rete testis
- then into duct system
What are the structures of the duct system? (4)
1) Epididymis
2) Vas (ductus) deferens
3) Ejaculatory duct
4) Urethra
What is the epididymis?
- posterior border of testis
What is the function of the epididymis? (2)
- store sperm
- sperm mature (develop ability to swim)
Where is the Vas Deferens? (2)
- enters pelvic cavity
- loops over posterior bladder
What occurs in a vasectomy?
vas deferens cut and tied off
What does the spermatic cord contain? (4)
- vas deferens
- nerves
- blood
- lymphatic vessels
and more
How is the ejaculatory duct formed?
- formed by union of vas deferens and duct from seminal vesicle
What are the three regions of the urethra?
- prostatic
- intermediate
- Penile (spongy)
Where is the prostatic region of the urethra?
through prostate
Where is the intermediate region of the urethra?
- through urogenital diaphragm
Where is the penile region of the urethra? (2)
- through corpus spongiosum of penis
- opens at the glans penis
What are the three parts of a penis?
- root
- body (shaft)
- Glans Penis (enlarged tip)
The penis has 3 bodies of erectile tissue. What exactly is erectile tissue?
- blood sinuses bound by CT
Name the 3 bodies of erectile tissue in the penis
2 corpora cavernosa
1 corpus spongiosum
