Male Reproductive System Ducts
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Questions and Answers

Where in the epididymis do sperm cells undergo further subtle modifications?

  • Head
  • Body (correct)
  • Tail
  • None of the above
  • What type of epithelium lines the epididymal duct?

  • Simple squamous
  • Transitional
  • Pseudostratified columnar (correct)
  • Stratified squamous
  • What is the function of the principal cells in the epididymis?

  • Store sperm
  • Produce testosterone
  • Transport sperm to the testis
  • Remove most of the water and residual bodies (correct)
  • Which structure is continuous with the tail region of the epididymal duct?

    <p>Ductus deferens</p> Signup and view all the answers

    What is the function of exosomes released by epithelial cells in the epididymis?

    <p>Secrete various products</p> Signup and view all the answers

    During which process do strong peristaltic contractions move sperm along the ductus deferens?

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

    Where does each ductus deferens merge with the ducts of the seminal vesicles?

    <p>Prostate gland</p> Signup and view all the answers

    What is the role of the smooth muscle layer surrounding the epididymal duct?

    <p>Rapidly empty stored sperm during ejaculation</p> Signup and view all the answers

    What is the main function of the tail region of the epididymal duct?

    <p>Sperm storage</p> Signup and view all the answers

    What type of muscle forms part of the thick wall of the ductus deferens?

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

    Where does the ejaculatory duct open?

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

    Which region of the epididymis stores sperm until ejaculation?

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

    Which structures carry spermatozoa and liquid from the seminiferous tubules to the duct of the epididymis?

    <p>Straight tubules, rete testis, and efferent ductules</p> Signup and view all the answers

    What type of cells initially line the short straight tubules that join the rete testis?

    <p>Sertoli cells</p> Signup and view all the answers

    What is the characteristic appearance of the epithelium lining the efferent ductules?

    <p>Groups of non-ciliated cuboidal cells alternating with groups of taller ciliated cells</p> Signup and view all the answers

    What does the absorption function of nonciliated cells in the efferent ductules involve?

    <p>Absorbing fluid secreted by Sertoli cells</p> Signup and view all the answers

    What is the role of ciliary activity in the efferent ductules?

    <p>Creating fluid flow for sperm transport</p> Signup and view all the answers

    In which part of the excretory genital ducts does sperm move passively towards the epididymis?

    <p>Efferent ductules</p> Signup and view all the answers

    What supports the movement of sperm into the duct of the epididymis from the efferent ductules?

    <p>Circularly oriented smooth muscle cells</p> Signup and view all the answers

    "Which structure serves as an interconnected network of channels lined with cuboidal epithelium?"

    Signup and view all the answers

    "Which of these statements about efferent ductules is accurate?"

    Signup and view all the answers

    "What is the function of the mediastinum in male reproductive anatomy?"

    Signup and view all the answers

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