Non-testicular Reproductive Structures In Males Flashcards
Most of the volume of ejaculation is derived from which two glands ?
Seminal vesicles and prostate gland
What does the bulbourethral gland do?
Contributes a clear fluid that is released before ejaculation that helps lubricate the urethra
What are the three segments of the urethra ?
Prostatic, membranous and penile urethra
What is the seminal vesicle?
A sac with a complex array of folds lined by pseudostratified columnar epithelium and with smooth muscle surrounding the folds
What is the prostate surrounded by?
Fibromuscular capsule
How many zones is the prostate gland divide into and what are they called?
3
The transitional zone, central zone and peripheral zone
Where do most carcinomas of the prostate arise?
Peripheral zone
Where do most benign hyperplasias occur?
Transition zone
What is the name of the three erectile columns I’m the penis
Two corpora cavernosa and one corpus spongiosum
Which erectile column contains more connective tissue
Corpus spongiosum
Penile urethra is lined with?
Like membranous urethra is lined by stratified columnar epithelium, changing to non-keratinised stratified squamous near the tip of the penis
What does the erectile tissue consist of ?
Blood sinuses surrounded by fibromuscular tissue containing smooth muscle
What supplies the blood sinuses
Helicine arteries
