Answered: Neuropeptide Y (NPY) ____________…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Neuropeptide Y (NPY) ____________ appetite. (a) increases, or (b) decrease.

I read some papers that look contradictory. One says that NPY decreases latency to eat, increases motivation to eat, and develops satiety by augmenting meal size. While the other paper says that when the NPY receptors are activated, the expression of NPY is down-regulated to decrease appetite and food intake. Glad if the expert advise.

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Neuropeptide Y (NPY) controls various physiological and metabolic activities of the body. The sympathetic neurons of the hypothalamus and many other brain regions secrete NPY.

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