Smaller Artery.
Artery
Blood vessel that carries blood away from the heart.
Arrector Pili Muscle
A strip of smooth muscle in the skin that extends from the upper part of the dermis to connective tissue surrounding the hair. On contraction makes the hair stand on end.
Arachnoid Mater
The middle layer of Meninges.
Appendix
A wormlike projection from the Cecum containing Lymphoid Tissue.
Appendicular Skeleton
Comprised of bones that form the limbs; includes bones of the shoulder, pelvic girdle and the upper and lower limbs.
Aponeurosis
A fibrous sheet of flat, expanded connective tissue that gives attachment to Muscular Fibers.
Apocrine Sweat Gland
Sweat Gland located in the armpits, around the nipples, bearded regions (men) and in the groin area, secretion begins at puberty and produces a cloudy, sticky secretion with a characteristic odor.