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.
A clef (from French: clef key) is a musical symbol used to indicate the pitch of written notes. Placed on one of the lines at the beginning of the stave, it indicates the name and pitch of the notes on that line.