Thyroid-Stimulating Hormone (TSH). Guide. A thyroid-stimulating hormone (TSH) blood test is used to check for thyroid gland problems. TSH is produced when the hypothalamus releases a substance called thyrotropin-releasing hormone (TRH). TRH then triggers the pituitary gland to release TSH.
A Raven is black but depending on which way the light hits it they change to other colors like bluish, dark red, or greenish. There are white Ravens but are not albino.
Colors of Raven. â Starfire regarding Raven's Emoticlones. Colors of Raven is the twenty-fifth episode of Season 1 of Teen Titans Go! and the twenty-fifth episode overall. It first aired on 18 September 2013 on Cartoon Network. A mysterious prism creates five Ravens, each of a different color and with a different aspect of her personality.