Only a small amount of T3 in the blood comes from the thyroid. Most T3 comes from cells all over the body, where it is made from T4. Thyroid-stimulating hormone (TSH), which is made by the pituitary gland in the brain, regulates thyroid hormone production.
Clave (rhythm) The clave, (Spanish pronunciation: ['klaÎ²e],[1] Anglicized pronunciation: CLA(H)-vay), is a rhythmic pattern used as a tool for temporal organization in Afro-Cuban music. It is present in a variety of genres such as AbakuÃ¡ music, rumba, conga, son, mambo, salsa, songo, timba and Afro-Cuban jazz.
clef: graphical symbol placed on the left of the stave which establishes the relationship between particular note names and their position on the staff lines and spaces (i.e. tells us which pitch class that stave belongs to).