Ambient temperature is the term used to identify the surrounding or environmental temperature. It is the nature and tendency of all things to approach ambient temperature. If you are in a room, then the ambient temperature is the room temperature.
An arteriole is a small-diameter blood vessel in the microcirculation that extends and branches out from an artery and leads to capillaries. Arterioles have muscular walls and are the primary site of vascular resistance. The greatest change in blood pressure and velocity of blood flow occurs at the transition of arterioles to capillaries.
1 Arteriosclerosis is the stiffening or hardening of the artery walls. 2  Atherosclerosis is the narrowing of the artery because of plaque build-up. 3  Atherosclerosis is a specific type of arteriosclerosis.