How calcium is regulated in the body by calcitonin and parathyroid hormone (PTH).
How calcium is regulated in the body by calcitonin and parathyroid hormone (PTH).
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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How calcium is regulated in the body by calcitonin and parathyroid hormone (PTH).
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Introduction
Calcium homeostasis deals with maintaining calcium levels in the body. Calcitonin and parathyroid hormone are the two hormones that regulate the level of calcium in the blood. Parathyroid hormone (PTH) is secreted from the parathyroid gland while the hormone calcitonin is produced by the body's thyroid gland. There is a requirement to maintain an optimum calcium concentration as a higher calcium concentration disturbs membrane permeability for sodium that causes muscle spasms, and a lower calcium concentration will have an effect on muscle contraction and electrical nerve impulse.
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