Pituitary Gland Anatomy
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Questions and Answers

Which part of the hypophysis is more glandular in nature?

  • Pars nervosa
  • Pars tuberalis
  • Neurohypophysis
  • Adenohypophysis (correct)

    • What terminates in the neurohypophysis?

  • Hypophyseal portal veins
  • Sinusoids in infundibulum
  • Axons arising from supraoptic nuclei (correct)
  • Hypothalamic releasing factors

    • Which part of the hypophysis surrounds the infundibular stem?

  • Adenohypophysis
  • Pars tuberalis (correct)
  • Pars nervosa
  • Pars intermedia

    • What do the axons arising from supraoptic nuclei store and release?

    <p>Vasopressin (ADH) and Oxytocin</p> Signup and view all the answers

    Which blood vessels form an arterial network around the infundibulum?

    <p>Superior hypophyseal arteries</p> Signup and view all the answers

    Where is the hypophyseal portal system related to?

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

    What drains into sinusoids in the adenohypophysis?

    <p>Sinusoids in neurohypophysis</p> Signup and view all the answers

    Which tract carries axons from the supraoptic and paraventricular nuclei to the neurohypophysis?

    <p>Hypothalamohypophyseal tract</p> Signup and view all the answers

    What forms an arterial network around the neurohypophysis?

    <p>Inferior hypophyseal arteries</p> Signup and view all the answers

    What is secreted directly into systemic circulation via capillaries?

    <p>Hormones from neurohypophsis</p> Signup and view all the answers

    What is the structure that connects the hypophysis to the hypothalamus?

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

    Which part of the hypophysis is covered superiorly by diaphragma sellae?

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

    What forms the neurohypophysis?

    <p>Median Eminence</p> Signup and view all the answers

    Which part of the hypophysis is formed by the median eminence, infundibulum, and post. lobe?

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

    What separates the floor of the hypophyseal fossa from the floor of its fossa?

    <p>Diaphragma Sellae</p> Signup and view all the answers

    What is the circular sinus formed by?

    <p>Left and right cavernous sinus</p> Signup and view all the answers

    Which part of the hypophysis becomes continuous with the post. lobe of hypophysis?

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

    What is the function of the infundibulum?

    <p>Contains pathways from hypothalamus to neurohypophysis</p> Signup and view all the answers

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