Thyroid hormones (T 4 and T 3) are produced by the follicular cells of the thyroid gland and are regulated by TSH made by the thyrotropes of the anterior pituitary gland. The effects of T 4 in vivo are mediated via T 3 (T 4 is converted to T 3 in target tissues). T 3 is 3- to 5- fold more active than T 4.
May is Jewish American Heritage Month The Library of Congress, National Archives and Records Administration, National Endowment for the Humanities, National Gallery of Art, National Park Service and United States Holocaust Memorial Museum join in paying tribute to the generations of Jewish Americans who have helped form the fabric of American history, culture and society.
Tuesday, January 14, 2014 at 10:30 a.m. The Miami Jewish Film Festival doesn't officially launch its 2014 series until Jan. 23. But last Saturday, the Center for the Advancement of Jewish Education hosted a special preview of Walking with the Enemy, which will open nationally on April 25th.