Answered: Thyroid hormone is produced within…

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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Thyroid hormone is produced within spherical shape structures in the thyroid gland known as 3. 1_ _ _
This structure consists of an outer layer of 3.2 epithelial cells and an inner section known-as 3.3___ . This inner section is filled with 3.4 ____ that is synthesised and secreted by-the cells and contains many tyrosine residues. Within this inner section, organification occurs when 3. 5 ____ molecules attach to these tyrosine residues forming either 3. 6____ (with one molecule attacl1ed) or 3. 7____
(with two molecules attached). Through coupling, T3 and T4 are also formed. Of these two hormones;- 3. 8 ____is less potent but forms approximately 93% of the metabolically active hormones secreted the thyroid gland.

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Thyroid gland

A crucial hormone gland
It is important for the growth, development, & metabolism of the human body.
It helps to regulate a number of body processes by releasing thyroid hormones into the bloodstream on a regular basis.
This gland generates more hormones when the body requires more energy, such as when it is growing or cold or when a woman is pregnant.

This structure, known medically as the glandula thyreoidea, is situated beneath the voice box at the front of the neck.
The two side lobes of this butterfly-shaped structure are joined at the front by a thin strip of tissue, and they rest against and surrounding the trachea.

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