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.
Raven is a fun, fresh and fashion savvy teenager with a love for outfits. She is African American and has almond shaped eyes, and a winning smile. She likes to change her hairstyle throughout the series but it is most often black or dark brown and worn in various bunches and braids depending on her mood.