Tarsal Muscle

Some articles on muscles, tarsal muscle:

Sympathetic Root Of Ciliary Ganglion
... cervical ganglion innervate blood vessels (vasoconstriction), sweat glands, and four eye muscles the dilator pupillae, the superior tarsal muscle, the inferior tarsal muscle and ... The superior tarsal muscle elevates the upper eyelid ... The other two eye muscles with sympathetic innervation (the inferior tarsal muscle and the orbitalis) are vestigial in humans ...