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 /ra-ven/ [2 sylls.] as a boys' name (also used more generally as girls' name Raven) is of English origin. Name of the large black bird related to the crow. Suitable for a black-haired or dark-skinned baby.