Neuro_Exam 1_Hypothalamus Flashcards
hypothalamic nuclei:
medial preoptic (eye), anterior supra optic, dorsomedial, ventromedial, arcuate, posterior, and mammillary (hypo goes to an optometrist, to get his eye checked, by a supra ant. He told him a joke about how there were no doors or vents on the arc, and how he loved listening to 2 pacteriors dear mammilary bodies
the Hypothalmic nuclei that go to the hypothalamus are ______, the nuclei that go to the pituitary are ____, the nuclei that go to the brainstem and forebrain are _____
preoptic, suprachiasmatic, arcuate: hypothal
paraventricular, arcuate, ventromedial: pituitary
later, paraventricular, dorsomedial posterior: brainstem and forebrain
hypothalamus integrates:
limbic system, hypothalamus, brainstem, spinal cord and periphery
______ in the hypothalamus allows for _____
fenestrated capillaries blood sampling
the ______ entrains the body to the light-dark cycle from input from the retina,
suprachiasmatic nucleus
in appetite regulation, insulin activates ______ which activates ______
pomc, crh
insulin and _____ inhibit ______ which activates _____, which is how diet pills work
npy, orexin
major functions of hypothalamus
heal; homeostasis, endocrine, autonomic, limbic
bear scares the hippo, legs shake, and the hippo releases___ which in turn ____
CRF ACTH, activates adrenal cortex, glucocorticoids release cortisol, antiinflammatory, chronic stress eventually damages hypothalamus
pregnant hippo releases _____ because it’s pregnant
oxytocin, uterine contraction,
scared hippo also begins ____ which releases
sweating, water, vasopressin
baby coming out close to the ground, about to fall says _______
suprahhhhhhhhhhptic, sweating; vasopressin, uterine contraction oxytocin
______ nuclei is related to the blanket: a lesion in this nuclei results in
posterior, thermoregulation, cold
the _____ nucleus is assocaited with whippin the hippo
dorsal medial nuclei, agression
_____ nuclei, associated with the earmuffs, it _____
suprachiasma, crisscross earbuffs that keep you warm while you sleep, and circadian rhythms