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Thyroxin

Thyroxin

C017/6220

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Credit

EVAN OTO / SCIENCE PHOTO LIBRARY EVAN OTO / SCIENCE PHOTO LIBRARY

Caption

A molecular model of thyroxin (T4), a thyroid hormone produced in the thyroid gland. Thyroxin (T4) along with triiodothyronine (T3), increases metabolism and affects the growth and development of cells in the body. Thyroid hormones cannot be synthesized when there is a deficiency of dietary iodine. As a result, low levels of thyroid hormones increase production of thyroid-stimulating hormone which enlarges the thyroid, resulting in a condition called goiter. Atoms are coloured dark grey (carbon), light grey (hydrogen), blue (nitrogen), purple (iodine) and red (oxygen).

Release details

Model release not required. Property release not required.

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