Scrotum and Prostate - Part 2 Flashcards
What does the epididymis empty into?
Ductus deferens
Where is the epididymis located compared to the testis?
Lateral and posterior to the testis
Where does the epididymis extend?
From the superior to the inferior pole of each testis
What is the epididymis divided into? (3)
- Head
- Body
- Tail
Where is the head of the epididymis located compared to the testis?
Posterior and superior to the testis
Where is the body of the epididymis located compared to the testis?
Directly posterior to the testis
Where is the tail of the epididymis located compared to the testis?
Posterior and inferior to the testis
Where is the mediastinum located?
Located in the posterior medial border of the testis
What do the rete testis do?
Transports seminal fluid from the testis to the epididymis
What does the rete testis connect?
The epididymis to the superior testis
What is the spermatic cord do?
It is a support structure
Where is the spermatic cord located?
On the posterior border of the testes
Where does the spermatic cord course?
Between the abdominal cavity and scrotum through the inguinal
canal
What is the spermatic cord made up of? (7)
- Arteries
- Veins
- Nerves
- Lymphatics
- Seminal duct
- Fatty tissue
- Connective
tissue
What is the vas deferens?
A small tube that transports sperm from each testis to the prostatic urethra
What is another term for the vas deferens?
Ductus deferens
What does the inferior border (apex) of the prostate provide?
An exit for the urethra
What does the superior border (base) of the prostate in contact with?
The urinary bladder
How many lobes consist in the prostate?
5
What are the 5 lobes of the prostate? (4)
- Anterior
- Middle
- Posterior
- Two lateral lobes
What are the 3 zones of the prostate?
- Central
- Peripheral
- Transitional
Where does the prostate lie compared to the seminal vesicles and the urinary bladder?
Inferior to it
Where does the prostate lie compared to the symphysis pubis and rectal ampulla? (2)
- Symphysis pubis = posterior
2. Rectal ampulla = anterior
What is another term for rectal ampulla?
Space of Retzius
Where does the prostate lie compared to Denonvilliers’ fascia?
Anterior to it
What is the prostate attached to the symphysis pubis by?
Prostatic ligaments
What does the urethra divide?
The prostate into anterior
(fibromuscular) and posterior (glandular) sections
- anatomical landmark
How much does the central zone comprise of glandular tissue?
25%
What is the central zone resistant to?
Disease
How much does the peripheral zone comprise of glandular tissue?
70%
What regions of the prostate does the peripheral zone occupy? (3)
- Posterior
- Lateral
- Apical
What is the most common site for prostate cancer?
Peripheral zone
How much does the transitional zone comprise of glandular tissue and periurethral glands?
5%
Where is the transitional zone adjacent to?
The proximal urethral sphincter
Where does BPH originate?
Transitional zone
