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.
Shaped by heaven and earth by Madden, Rabbi Janet / Cross Currents. The event's organizer, Shmuel Shalom Cohen, said that nearly 2,000 years ago, Jews debated whether the start of the new year should be noted as being on the first or on the 15th of the month of. on the Jewish calendar.