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Hypothalamic disease is a disorder presenting primarily in the hypothalamus, which may be caused by damage resulting from malnutrition, including anorexia and bulimia eating disorders, [1] [2] genetic disorders, radiation, surgery, head trauma, [3] lesion, [1] tumour or other physical injury to the hypothalamus. The hypothalamus is the control ...
The hypothalamus is located below the thalamus and is part of the limbic system. [1] It forms the basal part of the diencephalon. All vertebrate brains contain a hypothalamus. [2] In humans, it is about the size of an almond. [3] The hypothalamus has the function of regulating certain metabolic processes and other activities of the autonomic ...
But they can also affect men with low testosterone due to hypothalamus dysfunction. Remember: the hypothalamus is the part of the brain that signals the testicles to make testosterone. It also ...
The median preoptic nucleus is located dorsal to the other three nuclei of the preoptic area of the anterior hypothalamus. The hypothalamus is located just beneath the thalamus, the main sensory relay station of the nervous system, and is considered part of the limbic system, which also includes structures such as the hippocampus and the amygdala.
Damage to the lateral hypothalamus can also lead to aphagia, as seen in the 1978 study by Timothy Schallert and Ian Whishaw. [3] Other causes might be due to depression, cervical spine disease and conversion disorders. It is important to note that all these causes (except due to the damage of the lateral hypothalamus) are indirect.
Insulin. Insulin is involved in regulating blood sugar levels. It helps move glucose from blood into cells, where it can be used for energy. This hormone is also partly responsible for storing ...
Dysfunctions of the PVN can cause hypersomnia in mice. [2] In humans, the dysfunction of the PVN and the other nuclei around it can lead to drowsiness for up to 20 hours per day. [3] The PVN is thought to mediate many diverse functions through different hormones, including osmoregulation, appetite, wakefulness, and the response of the body to ...
In this simplified brain circuit, damage to orexin-secreting neurons in the hypothalamus can lead to inhibition of motor neurons, thus lowering muscle tone. Cataplexy is considered secondary when it is due to specific lesions in the brain that cause a depletion of the hypocretin neurotransmitter.