Male Reproductive System Anatomy and Physiology
36 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary function of the gonads in the male reproductive system?

  • Secretion and transportation of gametes
  • Production of reproductive hormones
  • Production of gametes and androgens (correct)
  • Storage and development of gametes

    • What is the name of the process by which mature sperm meets mature oocytes?

  • Fertilization (correct)
  • Gametogenesis
  • Androgenesis
  • Spermatogenesis

    • What is the name of the compartment in the testes where spermatogenesis occurs?

  • Intratubular Compartment (correct)
  • Peritubular Compartment
  • Tunica Albuginea
  • Interstitial Compartment

    • What is the name of the cells that provide nourishment to developing sperm cells?

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

    What is the name of the tube that stores and transports sperm cells?

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

    What is the name of the gland that produces a fluid that makes up semen?

    <p>Seminal Vesicles</p> Signup and view all the answers

    What is the temperature at which the testes function optimally?

    <p>2 degrees lower than body temperature</p> Signup and view all the answers

    What is the primary function of the acrosome in spermatozoa?

    <p>To release lysosome and hydrolytic enzymes for fertilization</p> Signup and view all the answers

    What is the average velocity of sperm movement in mm/min?

    <p>1 – 4 mm/min</p> Signup and view all the answers

    What is the main function of Sertoli cells in the sperm development process?

    <p>To guide sperm cells towards the lumen and provide structural support</p> Signup and view all the answers

    What is the term for the process of mature sperm release from Sertoli cells into the lumen?

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

    What is the function of the midpiece in sperm cells?

    <p>To provide an abundance of mitochondria for energy production</p> Signup and view all the answers

    What is the duration of the spermiogenesis process?

    <p>5 weeks</p> Signup and view all the answers

    What is the purpose of the blood-testis barrier formed by tight junctions between Sertoli cells?

    <p>To create an immunologically safe microenvironment for developing sperm</p> Signup and view all the answers

    What percentage of semen volume is contributed by the seminal vesicles?

    <p>60-70%</p> Signup and view all the answers

    What is the primary function of the prostate gland?

    <p>To secrete alkaline fluid and liquefy coagulated semen</p> Signup and view all the answers

    What is the role of bulbourethral glands?

    <p>To secrete mucus-rich secretions for lubrication</p> Signup and view all the answers

    What type of epithelium lines the prostate gland?

    <p>Pseudostratified or simple columnar epithelium</p> Signup and view all the answers

    What is the location of the prostate gland?

    <p>At the base of the urinary bladder and surrounding the prostatic urethra</p> Signup and view all the answers

    What is the role of semenogelins?

    <p>To induce semen coagulation</p> Signup and view all the answers

    What is the function of prostate-specific antigen?

    <p>To liquefy coagulated semen</p> Signup and view all the answers

    What is the typical volume of semen after several days of abstinence?

    <p>2.5-3.5 mL</p> Signup and view all the answers

    What is the primary control system responsible for erection?

    <p>Parasympathetic nervous system</p> Signup and view all the answers

    What is the primary function of the lubrication produced by the urethral and bulbourethral glands?

    <p>To aid in lubricating during the sexual act</p> Signup and view all the answers

    What is the effect of repeated ejaculation on sperm count and semen volume?

    <p>It decreases both</p> Signup and view all the answers

    What is the role of cavernous engorgement in erection?

    <p>It reduces venous drainage in the penis</p> Signup and view all the answers

    What is the typical range of sperm cells per milliliter of semen?

    <p>75-400 M</p> Signup and view all the answers

    What is the primary component of semen responsible for its initial coagulation?

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

    What is the relative contribution of male and female sexual organs to lubrication during coitus?

    <p>Female organs contribute most</p> Signup and view all the answers

    What is the name of the enzyme responsible for converting testosterone into dihydrotestosterone?

    <p>5α-reductase</p> Signup and view all the answers

    Which of the following is NOT a site of androgen production?

    <p>Bone marrow</p> Signup and view all the answers

    What is the primary function of 3β-hydroxysteroid dehydrogenase in androgen production?

    <p>Conversion of cholesterol into pregnenolone</p> Signup and view all the answers

    Which of the following is a secondary sexual characteristic associated with androgens?

    <p>Growth of the prostate gland</p> Signup and view all the answers

    What is the name of the enzyme responsible for converting androstenedione into testosterone?

    <p>17β-hydroxysteroid dehydrogenase type 3</p> Signup and view all the answers

    In which tissue does the enzyme aromatase convert androgens into estrogens?

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

    What is the primary role of androgens in fetal development?

    <p>Masculinization of the external genitalia</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser