Exam 4 Flashcards
(247 cards)
What is included in the male external genitalia?
Penis
Scrotum
Shaft of penis is composed of three cylindrical masses - what are they?
Two corpora cavernous (dorsal side)
One corpus spongiosum (ventral side)
What is the hoodlike fold of skin that an uncircumcised man has called?
Foreskin or prepuse
What is the urethral meatus?
The slit at the tip of the penis
What is the scrotum?
Thin-walled sack that holds and protects the testis
Contains sweat and sebaceous glands and the cremaster muscle
What is the scrotums function?
Protective covering for testes, epididymis, and vas deferens
Also helps control temperature to protect sperm
What does the creamaster muscle do?
Contracts when cold to bring tested closer to the body for warmth
What are the testes?
Pair of oval shaped organs
3.7-5cm long, 2.5 deep and wide
Produce spermatozoa and testosterone
What is the tunica vaginalis
Double layered, lubricated, Serious membrane that surrounds the testes for protection and to keep them separated from scrotal wall
What is the spermatic cord?
Contains blood vessels, lymphatic vessels, nerves in the vas deferens
They transport sperm away from the testes
The left side is usually a little longer
What is the epididymis?
Comma Shaped coiled tubular structure that curves up over the posterior surface of the testis
This is the place where sperm mature 
What is the vas deferens?
Provides passage for sperm from the testes to the urethra
Along the route secretions from vas deferens, seminal vesicles, prostate gland, and Cowper gland. Mix with the sperm to form semen.
What is a hernia
Protrusion of loops of bowel through weak areas of the muscle
How many sphincters are in the anal canal?
Two
External
Internal
What is the external sphincter?
Composed of skeletal muscle, and is under voluntary control
What is internal sprinter?
Consists of smooth muscle, and it’s under involuntary control by the autonomic nervous system
What is the anorectal Junction?
Dividing point of the anal canal in the rectum
What is the prostate gland?
-2.5-4cm in diameter
-Surrounds the neck of the bladder and urethra
-Consists of two loaves, separated by the medium sulcus
-chestnut/heart shaped organ
What is the purpose of the prostate gland?
It creates a thin milky substance to promote sperm mobility and neutralize, female acidic vaginal secretions
What is prostatic hyperplasia?
Enlargement of the prostate gland
Common in men over 40
What do the seminal vesicles do?
Rabbit, ear shaped structures that produce the ejaculate that nourishes and protects sperm
Not palpable
What is the Cowper (bulbourethral) glands?
Mucus producing pea sized organs that empty into the urethra
What democratic is more likely to have testicular cancer?
White males ages 20 to 44
Five times more likely in white males than black males
What is TSE and how often should be done?
Testicular self exam
Once per month