ch22 male reproductive

What is the primary sex organ in a male?

The testes are the primary sex organ in the male.

What are examples of male secondary sex characteristics?

a deep voice, facial hair, large thyroid cartilage.

Sperm is made in the testes. Where does it go from there?

From the testes sperm goes into the vas deferens, loops over the urinary bladder, and goes into the prostate

At 7 months in utero, name the fibrous band that goes from the pubic symphysis and inserts onto the skin under the penis.

GUBERNACULUM

What is the function of the dartos and cremaster muscles?

To raise or lower the testes to help keep the gonads cool or warm

What structures are inside the SPERMATIC CORD?

1. Vas deferens (ductus deferens) 2. Cremaster muscle 3. Spermatic (testicular) artery and vein 4. Pampiniform plexus (Nerves and lymphatic vessels).

What is the function of the Seminiferous Tubules?

The function is to produce sperm.

What is the term for sperm formation?

SPERMATOGENESIS

What is the function of Sertoli cells?

To produce hormones to guide the spermatogenesis process, and protect the developing spermatocytes from phagocytosis

What do interstitial cells produce?

TESTOSTERONE

What is the function of the epididymis?

To allow sperm to mature and to store them.

What is the number one birth control method in the U.S?

VASECTOMY

What is the term used to describe varicose veins in the spermatic cord?

VARICOCELE (know the spelling)

What is the function of the seminal vesicles?

To produce most of the volume of the semen

What are the three functions of semen?

1. medium for sperm to swim in 2. Nutrients for sperm (fructose, NOT sucrose) 3. Neutralize acidity in vagina to allow sperm to survive

What condition can constrict the urethra causing urinary retention (making it hard to urinate)?

PROSTATIC HYPERTROPHY

What does “incontinence” mean?

The person urinates when they don’t want to (they need diapers).

What are the two functions of the bulbourethal gland?

To lubricate the urethra for sperm to swim in and neutralize any acid from urine there

The penile erection is due to vasodilation, with blood moving into what structure?

Erectile bodies

Is penile erection influences by the sympathetic or parasympathetic nervous system?

Parasympathetic

What is the most common congenital abnormality of the urethra? | Can females have it?

HYPOSPADIAS NO, IN MALES ONLY.

List four characteristics of inguinal hernias

1. Occur in males more than females 2. Are often congenital 3. Do not always reach the scrotum 4. Always enter the inguinal canal

Name four characteristics of undescended testes

1) Sperm will still be able to exit from the body 2) Male sex hormones will still circulate in the body 3) The testes will still have adequate blood supply 4) However, viable sperm will not be produced.

Why do clinicians often say that the male prostate is like the female breast?

Because both glands often develop cancer.