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In regard to the hormone leptin, central vs peripheral refers to the hypothalamic portion of the brain vs non-hypothalamic location of action of leptin; direct vs indirect refers to whether there is no intermediary, or there is an intermediary in the mode of action of leptin; and primary vs secondary is an arbitrary description of a particular ...
The main dopaminergic pathways of the human brain. Dopaminergic pathways (dopamine pathways, dopaminergic projections) in the human brain are involved in both physiological and behavioral processes including movement, cognition, executive functions, reward, motivation, and neuroendocrine control. [1]
Leptin, an adipocyte-derived hormone discussed under the Regulation section of this Wikipedia page, is significantly reduced in patients with anorexia nervosa due to the loss of body fat. Low leptin levels contribute to the disruption of normal GnRH secretion, as leptin is needed for proper hypothalamic function and the initiation of puberty. [32]
Like other cytokine receptors, Leptin receptor protein has three different regions: i) extracellular, ii) trans-membrane, and iii) intracellular.The extracellular part has 5 functional domains: [12] i) membrane distal 1st cytokine receptor homology (CRH1), ii) Immunoglobulin like (Ig), iii) 2nd cytokine receptor homology (CRH2) and iv) two membrane proximal fibronectine type-III (FNIII) domains.
Leptin: Stomach: Appetite control Motilin: Throughout the gut: Increases gastric emptying and small bowel motility Neuropeptide Y: Enteric nerves: Regulation of intestinal blood flow Neurotensin: Ileum: Affects gut motility; increases jejunal and ileal fluid secretion Pancreatic polypeptide: Pancreas: Inhibits pancreatic and biliary secretion ...
Human nervous system – the part of the human body that coordinates a person's voluntary and involuntary actions and transmits signals between different parts of the body. The human nervous system consists of two main parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS contains the brain and spinal cord.
Neural top–down control of physiology concerns the direct regulation by the brain of physiological functions (in addition to smooth muscle and glandular ones). Cellular functions include the immune system’s production of T-lymphocytes and antibodies, and nonimmune related homeostatic functions such as liver gluconeogenesis, sodium reabsorption, osmoregulation, and brown adipose tissue ...
Embryonic vertebrate subdivisions of the developing human brain hindbrain or rhombencephalon is a developmental categorization of portions of the central nervous system in vertebrates. It includes the medulla , pons , and cerebellum .