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.
The Given Name Raven. Embraced by many parents, the name Raven, is one of warmth and cheerfullness. Fearless yet popular, the name is a great blend of character and flair. Raven has no variant spellings. Raven falls into the bird name category. Some famous bearers of this name include: Raven Symone.