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Monahan:Diencephalon

Thalamus and Hypothalamus

VocabularyDefinition
gray matter type of matter within the nervous system consisting mainly of somas
thalamus "gateway to the cortex", sorts all sensory information (except smell) before sending it on to the cerebral cortex
massa intermedia connects the two thalami together, also known as the intermediate mass
nucleus/nuclei a group of somas in the central nervous system (CNS)
ventral posterior lateral nucleus receives all sensory info from skin and decides what to send onward to the parietal lobes, found in the thalamus
medial geniculate nucleus receives all auditory info and decides what to send onward to the temporal lobes, found in the thalamus
lateral geniculate nucleus receives all visual info and decides what to send onward to the occipital lobes, found in the thalamus
hypothalamus lies below the thalamus and maintains homeostasis
hypo- prefix that means below
pituitary gland endocrine gland that hangs below the hypothalamus, also known as the hypophysis
infundibulum stalk-like structure that connects the pituitary gland to the hypothalamus
mammillary bodies nuclei found on the ventral (belly side) of the hypothalamus that receives all olfactory info and decides what to send onward to the temporal lobes
viscera means organs
homeostasis internal happiness, body is trying to maintain balance
osmoreceptors special neurons of the hypothalamus that monitor the water concentration of the blood
supraoptic nucleus specific nucleus of hypothalamus that communicates with the osmoreceptors and the pituitary gland
ADH antidiuretic hormone produced by the pituitary gland, targets the kidneys and the kidneys do not absorb water from the blood
suprachiasmatic nucleus specific nucleus of the hypothalamus that regulates the sleep/wake cycle by communicating with the pineal gland
pineal gland endocrine gland that secretes melatonin
melatonin hormone that prepares your body for sleep
dopamine neurotransmitter that controls your pleasure circuit, why you feel satisfied after eating something you enjoy
olfactory refers to sense of smell
leptin hormone produced by adipocytes (fat cells) that targets the hypothalamus to regulate our appetite
Created by: smonahan
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