Keywords: Thyroid system.svg en Overview of the thyroid system See Wikipedia Thyroid <P>To discuss image please see Talk Human body diagrams References Figure 1 in cite journal Hill RN Crisp TM Hurley PM Rosenthal SL Singh DV Risk assessment of thyroid follicular cell tumors Environ Health Perspect 106 8 447 “57 1998 August 9681971 1533213 Figure 1 in cite journal Lindström G Hooper K Petreas M Stephens R Gilman A Workshop on perinatal exposure to dioxin-like compounds I Summary Environ Health Perspect 103 Suppl 2 135 “42 1995 March 7614935 1518837 http //www gpnotebook co uk/simplepage cfm ID -570032106 GPnotebook Thyroid hormone function Retrieved on Nov 25 2009 Cite Both T3 and T4 <nowiki> </nowiki>increase cell metabolism <nowiki> </nowiki>facilitate normal growth <nowiki> </nowiki>facilitate normal mental development <nowiki> </nowiki>increase the local effects of catecholamines All used images are in public domain Mikael Häggström 2009-11-25 thumb left png-format Human body diagrams Circulatory system Physiology Thyroid SVG male shadow diagrams |