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.
The Torah (Jewish Law), the primary document of Judaism, was given to the Jews by the Prophet Moses (Moshe) about 3,300 years ago. The Jewish calendar starts with the day when Adam and Eve were created (the Sixth Day of Creation). This year (2010) is 5770 on the Jewish Calendar.braham is the father of the Jewish people. Jews see Abraham as a symbol of trusting and obeying God. Abraham is also important to followers of Christianity and of Islam. The story of Abraham is told in the Book of Genesis (the first book of the Hebrew and Christian Bibles) in chapters 12-25.