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.
Trivia. 1  The opposing teams in multiplayer were originally named as Rogue Spear and Raven Shield respectively, referencing Tom Clancy's Rainbow Six: Rogue Spear and Tom Clancy's Rainbow Six 3: Raven Shield. It was changed to Blue and Orange in the release version.