what is thyroid stimulation
TSH, or thyroid-stimulating hormone, is produced by the pituitary gland (a pea-sized structure at the base of the brain). TSH, or thyroid-stimulating hormone, is produced by the pituitary gland (a pea-sized structure at the base of the brain). It helps the thyroid gland â located at the base of the neck â produce the hormones thyroxine (T4) and triiodothyronine (T3), which affect your metabolism and other bodily functions.