The phrase "temporal artery" refers to a blood vessel located on the side of your head, near your temples. It carries oxygen-rich blood from your heart to your head.
According to a Harvard Medical Study, the Exergen Temporal Artery thermometer is at least as accurate as a rectal thermometer and is easy to learn to use. (parenthood.guide)
Evaluation of temporal artery thermometry in children 3 - 36 months old. (mayoclinic.org)
My favorite forehead thermometer is the Exergen Temporal Artery Thermometer (click here to check price on Amazon). (momtricks.com)