the male perineum and reproductive Flashcards
Unit 3: The Abdomen & Pelvis
What skin-covered sac of the male reproductive system house the testes?
Scrotum
What is the female homolog of the scrotum?
Labia majora
What layer of smooth muscle lies within the scrotum?
Dartos muscle
What is the function of the dartos muscle?
Constrict the scrotum
What is the copulatory organ of the male?
Penis
What is the internal portion of the penis?
root
What is the elongated, movable portion of the penis?
Body (shaft)
What is the tip of the penis?
Glans
What opening is found within the glans penis?
Urethral orifice
What is the circular fold of skin over the tip of the penis?
Prepuce (foreskin)
What are the paired columns of erectile tissue located on the dorsal side of the penis?
Corpora cavernosa (plural)
What column of erectile tissue within the penis surrounds the urethra?
corpus spongiosum
What are the primary sex organs of the male?
Testes
Within the testes what are the tightly coiled structures where sperm are produced?
Seminiferous tubules
Where do the testes develop?
Within the abdomen
What structure must the testes pass through to reach the scrotum?
Inguinal canal
What extension of the internal abdominal oblique helps to regulate the temperature of the testis?
Cremaster muscle
What is an inguinal hernia?
A condition when the intestines push through the abdominal wall
Which sex is more likely to experience inguinal hernias and why?
Male weak spot form testicular development
The blood vessels and nerves to the testes travel from within the abdomen to the scrotum in what multilayered structure?
Spermatic cord
What are the structures found within the spermatic cord?
Vas deferens
Pampiniform plexus
Testicular artery
Testicular nerve
What plexus of veins within the spermatic cord captures heat from the testicular artery in order to help cool the testes?
Pampiniform plexus
What comma-shaped structure lies on the posterior side of the testes and is where sperm matures and become mobile?
Epididymis
Be able to identify the various structure of the epididymis
Head
efferent ductules
tail
What thick-walled tube travels within the spermatic cord, through the inguinal canal, and within the pelvic cavity?
Ductus deferens (vas deferens)
As the ductus deferens approaches the superoposterior edge of the prostate gland, it enlarges into what structure?
Ampulla of the ductus deferens
What accessory glands of the male reproductive system are located on the posterior surface of the urinary bladder adjacent to the ampulla of the ductus deferens?
Seminal vesicles
What accessory gland of the male reproductive system is shaped like a walnut and is located at the base of the bladder?
Prostate gland
What structure conducts sperm and a component of seminal fluid through the prostate toward the urethra?
Ejaculatory duct
What is the female homolog of the prostate?
Paraurethral gland
What are the paired, pea-shaped accessory glands of the male reproductive system located on each side of the urethra?
Bulbourethral glands
What is the female homolog of the bulbourethral glands?
Greater vestibular glands (Bartholin’s glands)
