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vasopressin osmolarity reabsorption To begin, imagine that excess water has been ingested into the body. This decreases body fluid anterior pituitary hypothalamus This change is sensed by located within the osmoreceptors These neurons decrease their action potential firing frequency resulting in a decrease in the secretion of sodium from the posterior pituitary A decrease in circulating levels of vasopressin decreases the permeability of the which leads to a decrease in water volume epithelial cells to water excretion Water remains in the tubular lumen, and thus there is an increase in the water collecting duct

vasopressin osmolarity reabsorption To begin, imagine that excess water has been ingested into the body. This decreases body fluid anterior pituitary hypothalamus This change is sensed by located within the osmoreceptors These neurons decrease their action potential firing frequency resulting in a decrease in the secretion of sodium from the posterior pituitary A decrease in circulating levels of vasopressin decreases the permeability of the which leads to a decrease in water volume epithelial cells to water excretion Water remains in the tubular lumen, and thus there is an increase in the water collecting duct

Human Anatomy & Physiology (11th Edition)
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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Test your knowledge of hypothalamic osmoreceptors and regulation of renal water excretion by correctly completing each sentence below. vasopressin osmolarity reabsorption To begin, imagine that excess water has been ingested into the body. This decreases body fluid anterior pituitary hypothalamus This change is sensed by located within the osmoreceptors These neurons decrease their action potential firing frequency resulting in a decrease in the secretion of sodium from the posterior pituitary A decrease in circulating levels of vasopressin decreases the permeability of the which leads to a decrease in water volume epithelial cells to water excretion Water remains in the tubular lumen, and thus there is an increase in the water collecting duct
Transcribed Image Text:Test your knowledge of hypothalamic osmoreceptors and regulation of renal water excretion by correctly completing each sentence below. vasopressin osmolarity reabsorption To begin, imagine that excess water has been ingested into the body. This decreases body fluid anterior pituitary hypothalamus This change is sensed by located within the osmoreceptors These neurons decrease their action potential firing frequency resulting in a decrease in the secretion of sodium from the posterior pituitary A decrease in circulating levels of vasopressin decreases the permeability of the which leads to a decrease in water volume epithelial cells to water excretion Water remains in the tubular lumen, and thus there is an increase in the water collecting duct
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