Male Accessory Genital Glands Anatomy
30 Questions
2 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

Which accessory gland's secretion typically makes up about 70% of the ejaculate?

  • Prostaglandins
  • Bulbourethral glands
  • Seminal vesicles (correct)
  • Prostate gland

    • What is the major energy source for sperm in the ejaculate?

  • Inositol
  • Fibrinogen
  • Citrate
  • Fructose (correct)

    • Which gland surrounds the urethra below the bladder?

  • Seminal vesicles
  • Fibrinogen
  • Bulbourethral glands
  • Prostate gland (correct)

    • Which gland contracts its smooth muscle at ejaculation?

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

    Which component of the seminal vesicles' secretion stimulates activity in the female reproductive tract?

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

    What type of epithelial cells line the folds of the seminal vesicles' tube?

    <p>Simple columnar</p> Signup and view all the answers

    Which gland's secretion allows semen to coagulate after ejaculation?

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

    What is the approximate weight of the prostate gland?

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

    Which gland's secretion is an exocrine one?

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

    What is the nature of the fibers present in the lamina propria of seminal vesicles?

    <p>Elastic fibers</p> Signup and view all the answers

    What is the role of parasympathetic stimulation in the process of penile erection?

    <p>Relaxes the trabecular smooth muscle</p> Signup and view all the answers

    What is the initial trigger for penile erection?

    <p>External stimuli to the CNS</p> Signup and view all the answers

    What happens during ejaculation with regards to the helicine arteries?

    <p>They constrict</p> Signup and view all the answers

    How does penile erection lead to tumescence and rigidity in erectile tissue?

    <p>By compressing the dorsal veins</p> Signup and view all the answers

    What is the function of arteriovenous shunts in penile erection?

    <p>Connect central arteries and dorsal veins</p> Signup and view all the answers

    Which type of nerve stimulation controls penile erection?

    <p>Autonomic nerves</p> Signup and view all the answers

    What happens to blood flow during sympathetic stimulation in penile anatomy?

    <p>Blood flow decreases into cavernous spaces</p> Signup and view all the answers

    What causes the veins to drain most blood from the erectile tissue?

    <p>Constriction of smooth muscle</p> Signup and view all the answers

    What part of erectile tissue experiences decreased pressure during ejaculation?

    <p>Trabecular smooth muscle</p> Signup and view all the answers

    What is the function of tunica albuginea during penile erection?

    <p>Blocks venous outflow by compressing dorsal veins</p> Signup and view all the answers

    Where do ducts from individual glands empty into?

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

    Which zone of the prostate surrounds the superior portion of the urethra?

    <p>Transition zone</p> Signup and view all the answers

    What is the main function of prostate-specific antigen (PSA)?

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

    What is the prostate-specific antigen (PSA) a marker for when present in elevated levels?

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

    What are corpora amylacea found in the lumens of prostatic tubuloacinar glands composed of?

    <p>Primarily deposited glycoproteins and keratan sulfate</p> Signup and view all the answers

    What is the main function of bulbourethral glands during erection?

    <p>Secrete a clear mucus-like lubricating secretion</p> Signup and view all the answers

    Which part of the penis is surrounded by skin and lined with pseudostratified columnar epithelium?

    <p>Corpus spongiosum</p> Signup and view all the answers

    What is the function of the tunica albuginea that surrounds the corpora cavernosa?

    <p>Provide structural support</p> Signup and view all the answers

    What is the role of the trabeculae within the erectile tissues?

    <p>Separate venous cavernous spaces</p> Signup and view all the answers

    Where are the bulbourethral glands located?

    <p>In the urogenital diaphragm</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser