Skin Definition. the arrector pili extends from the what to what? The contraction of the muscle is involuntary. Merkel cells 33. When stimulated, the arrector pili will
Lamellated … Please tell us where you read or heard it (including the quote, if possible). arrecto´res ) ( L. ) raising, or that which raises; an erector muscle. teeth - orthodontist, one who specializes in proper positioning of the teeth in relation to each other: Term .