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.
Ravenclaw Crest is. a crest that belongs to one of four Hogwarts houses. In that case, the one that was established over 1000 years ago by Rowena Ravenclaw. Rowena Ravenclaw as well as the crest of her house symbolises the element of air, which is used as the background of the crest.The colours of the Ravenclaw house are blue (background) and bronze (the animal).ne of the very first (rejected) sketches of Ravenclaw crest was used to create the Montrose Magpies Quidditch Badge, which is a collectable object found in the last Chapter of Harry Potter and the Chamber of Secrets.