Anatomy LE 5: Male Reproductive System
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Questions and Answers

What is the part of the epididymis where sperm cells undergo further modifications?

  • Head
  • Ductus deferens
  • Body (correct)
  • Tail

    • What is the function of the principal cells in the epididymis?

  • To remove water and residual bodies (correct)
  • To produce testosterone
  • To produce sperm
  • To produce seminal fluid

    • What is the muscle layer in the epididymis responsible for?

  • Sperm production
  • Hormone regulation
  • Blood circulation
  • Peristalsis during ejaculation (correct)

    • Where does the ductus deferens begin?

    <p>At the inferior pole of the testis</p> Signup and view all the answers

    What is the pathway of the ductus deferens?

    <p>It ascends posterior to the testis and medial to the epididymis</p> Signup and view all the answers

    What is the function of the ductus deferens?

    <p>To transport sperm</p> Signup and view all the answers

    Where do the ductus deferens and ducts of the seminal glands merge?

    <p>At the ejaculatory ducts</p> Signup and view all the answers

    What is the name of the structure formed by the enlargement of the ductus deferens?

    <p>Ampulla of the ductus deferens</p> Signup and view all the answers

    Where do primordial germ cells migrate to by the 3rd week?

    <p>Yolk sac close to the allantois</p> Signup and view all the answers

    What happens if primordial germ cells fail to reach the genital ridges?

    <p>The gonads do not develop</p> Signup and view all the answers

    At which week do the gonads acquire male and female morphological characteristics?

    <p>7th week</p> Signup and view all the answers

    What do the epithelial cells of the genital ridges do after the arrival of primordial germ cells?

    <p>Proliferate and penetrate the underlying mesenchyme</p> Signup and view all the answers

    What are the gonads known as before differentiation between male and female gonads?

    <p>Indifferent gonads</p> Signup and view all the answers

    Where do primordial germ cells migrate to by the 5th week?

    <p>Primitive gonad</p> Signup and view all the answers

    What forms after the proliferation of epithelial cells in the genital ridges?

    <p>Primitive sex cords</p> Signup and view all the answers

    What is the term for the irregularly shaped cords that form in both sexes?

    <p>Primitive sex cords</p> Signup and view all the answers

    What is a characteristic of the epithelial lining of the seminal glands?

    <p>Simple or pseudostratified columnar epithelial cells</p> Signup and view all the answers

    What is the function of the elastic fibers in the lamina propria of the seminal glands?

    <p>To allow for the expansion of the gland during ejaculation</p> Signup and view all the answers

    What is a key difference between the seminal vesicle and the fallopian tube?

    <p>The number of lumens present in the tubes</p> Signup and view all the answers

    What is the approximate percentage of the seminal volume made up by the secretions of the prostate gland?

    <p>20%</p> Signup and view all the answers

    What is the origin of the arterial supply to the prostate gland?

    <p>Internal iliac artery</p> Signup and view all the answers

    What is the name of the venous plexus that drains the prostate gland?

    <p>Prostatic venous plexus</p> Signup and view all the answers

    What type of muscle is present in the wall of the seminal glands?

    <p>Smooth muscle</p> Signup and view all the answers

    What is the function of the smooth muscles in the seminal glands?

    <p>To facilitate the emptying of the gland during ejaculation</p> Signup and view all the answers

    What is the approximate size of the prostate gland?

    <p>3cm long, 4cm wide, 2cm in the anteroposterior depth</p> Signup and view all the answers

    What percentage of the prostate gland is fibromuscular?

    <p>⅓</p> Signup and view all the answers

    What is the name of the structure that surrounds the prostatic urethra?

    <p>Fibrous prostatic sheath</p> Signup and view all the answers

    Where do the prostatic ducts open directly into?

    <p>Prostatic sinuses</p> Signup and view all the answers

    How many prostatic ducts are there approximately?

    <p>20-30</p> Signup and view all the answers

    What is the function of the prostatic secretions?

    <p>To facilitate the passage of sperm through the urethra</p> Signup and view all the answers

    What is the name of the structure that forms the fibrous prostatic sheath?

    <p>Visceral layer of the pelvic fascia</p> Signup and view all the answers

    What is the anterior part of the fibrous capsule continuous with?

    <p>Puboprostatic ligaments</p> Signup and view all the answers

    What is the common function of the penis?

    <p>Semen and urine outlet</p> Signup and view all the answers

    What is the anatomical position of the penis?

    <p>Erect</p> Signup and view all the answers

    What are the three cylindrical bodies of the penis composed of?

    <p>Erectile tissue</p> Signup and view all the answers

    What is the outer covering of the cavernous bodies of the penis?

    <p>Tunica Albuginea</p> Signup and view all the answers

    What is the function of the Buck Fascia?

    <p>It binds the erectile tissues together</p> Signup and view all the answers

    What is the crura of the penis attached to?

    <p>Pubic arch</p> Signup and view all the answers

    Where is the bulb of the penis anchored?

    <p>Perineal membrane</p> Signup and view all the answers

    What muscle covers the crura of the penis?

    <p>Ischiocavernosus muscle</p> Signup and view all the answers

    What is the location of the attached part of the penis?

    <p>Superficial perineal pouch</p> Signup and view all the answers

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