Pituitary Gland Anatomy

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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?

Vasopressin (ADH) and Oxytocin Signup and view all the answers

Which blood vessels form an arterial network around the infundibulum?

Superior hypophyseal arteries Signup and view all the answers

Where is the hypophyseal portal system related to?

Adenohypophysis Signup and view all the answers

What drains into sinusoids in the adenohypophysis?

Sinusoids in neurohypophysis Signup and view all the answers

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

Hypothalamohypophyseal tract Signup and view all the answers

What forms an arterial network around the neurohypophysis?

Inferior hypophyseal arteries Signup and view all the answers

What is secreted directly into systemic circulation via capillaries?

Hormones from neurohypophsis Signup and view all the answers

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

Infundibulum Signup and view all the answers

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

Adenohypophysis Signup and view all the answers

What forms the neurohypophysis?

Median Eminence Signup and view all the answers

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

Neurohypophysis Signup and view all the answers

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

Diaphragma Sellae Signup and view all the answers

What is the circular sinus formed by?

Left and right cavernous sinus Signup and view all the answers

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

Infundibulum Signup and view all the answers

What is the function of the infundibulum?

Contains pathways from hypothalamus to neurohypophysis Signup and view all the answers