12 Questions
Which nuclei project axons to the posterior pituitary?
Supraoptic and paraventricular nuclei
What is the main connection between the hypothalamus and the anterior pituitary?
Vascular connection
What is the function of the direct vascular link between the hypothalamus and the anterior pituitary?
Hormone secretion regulation
Where do the sinusoidal portal hypophysial vessels carry blood to?
The capillaries of the anterior pituitary
What characteristic makes the system from the hypothalamus to the anterior pituitary a true portal system?
It begins and ends in capillaries without going through the heart
What type of capillaries make up the primary plexus on the ventral surface of the hypothalamus?
Fenestrated capillaries
What is the primary function of the autonomic mechanisms integrated in the hypothalamus?
Maintaining chemical constancy and temperature of the internal environment
What is the type of behavior regulated by the unit formed by the hypothalamus and the limbic system?
Emotional and instinctual behavior
What is the neural connection between the hypothalamus and the posterior lobe of the pituitary gland?
Neural connection
What is the embryological origin of the posterior pituitary gland?
It arises as an evagination of the floor of the third ventricle
What primarily makes up the posterior pituitary?
Endings of axons from the hypothalamus
Where do the axons that make up the posterior pituitary originate from?
The hypothalamus
Test your knowledge of the human brain and its functions, including the hypothalamus, limbic system, and autonomic mechanisms that regulate emotional and instinctual behavior.
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