blood supply Flashcards
1
Q
What are tanicytes?
A
Send a long cellular extension into the hypothalamus (not an axon)
Tanicytes in the 3rd ventricle wall possibly derived from original radial glial cells
2
Q
What is a hamartoma?
A
disorganized tumor-like but non-neoplastic neural tissue elements
known for its congenital occurrence in the hypothalamus. Associations include intractable epilepsy, precocious puberty, and laughing seizures (gelastic).
3
Q
What is the blood supply of the hypothalamus?
A
Hypothalamic blood supply is predominantly from the circle of Willis
Hypothalamus is well-supplied with multiple short direct brs. from circle of Willis
Hypophyseal aa. are usually brs. of the internal carotid a.