51Autonomics Of The Head

Front 1

Horner’s Syndrome:

Damage anywhere along the sympathetic pathway involving the T1 white ramus communicantes, the superior cervical ganglion, the preganglionic or postganglionic axons, causes Horner’s Syndrome which includes: ___

Back 1

Miosis – small pupil
Ptosis – drooping upper eyelid
Anhidrosis – lack of sweating on affected side
Face and neck flush – redness and increased warmth due to vasodilation on affected side

Front 2

Fixed and dilated pupils:
Pupils are ___ and do not respond to light
Unopposed action of the ___ muscle which is innervated by ___
Indicates possible brainstem damage involving the region of the ___
Complete injury causes a large pupil, called a ___

Back 2

-dilated
-dilator pupillae
-sympathetics
-Edinger-Westphal nucleus
-“blown pupil”