NRSC 2100 Lecture Notes - Lecture 14: Ventromedial Nucleus Of The Hypothalamus, Leptin, Adipocyte
17 Nov 2016
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Document Summary
Anabolical:process of bulding/assembling macromolecules, such as glycogen and triglycerides from simple percursors. Leptin: hormone produced and released by adipocytes (fat cells) and regulates energy expenditure. Diabetes mellitus: condition associated with a lack of insulin. Nonregulatory behaviors: behaviors that are not controlled by homeostatic mechanisms, all behaviors excluding those regulated by homeostatic processes. The hypothalamus is important for control of regulator and non regulatory behaviors. Homeostasis: processes that maintain the internal environment of the body within a narrow physiological range. Many body functions enlist humoral signals to regulate motivated behaviors-hormone regulation by hypothalamus via pituitary gland and feedback (self regulate) 2 different parts of the pituitary are controlled by two different parts of the brain. Controlled by the digestive tract, hypothalamus, and cognitive factors. Digestive system: brings macromolecules into the body via breakdown and absorption of essential nutrients and energy molecules. 3 classes: lipids (85% of stored energy adipose cells), amino acids (14. 5%), and glycogens (. 5% liver)
