nerves Flashcards
chapter2
what controls sensation, muscles, glandular activity, and has 12 pairs of nerves that reach to various parts of the head, face, and neck?
the brain
what connects the spinal cord to the brain and what is it involved with regulating?
brainstem- regulates breathing, heartbeat, and blood pressure
What do you call the continuation of the brain stem that originates in the brain and extends down to the lower extremities and is protected by the spinal column?
spinal cord
what kind of nerve carries impulses/messages from the sense organs to the brain where sensations are experienced?
sensory nerves, receptors are located close to the surface of the skin
what nerves carry impulses from the brain to the muscles or glands, producing movement?
motor nerves
what is a reflex?
is an automatic nerve reaction to a stimulus that involves the movement of an impulse from a sensory receptor.
What nerves are important to us as aestheticians?
V, VII, and XI (5,7,11)
what is the largest cranial nerve?
5th aka trifacial/trigeminal/chief sensory
what nerve is facial nerve/the chief motor nerve of the face?
7th (lower ear to neck)
what is the accessory nerve/motor nerve that controls motion in the neck and shoulders?
11th
what nerve affects the skin of the forehead, upper eyelid, and interior portion of the scalp, orbit, eyeball, and nasal passages?
the ophthalmic nerve (1 branch)
what nerve affects the muscles of the chin and lower lip?
the mandibular nerve (2 branch)
what nerve affects the upper part of the face?
the maxillary nerve (3 branch)
what nerve affects the external ear and skin above the temple to the top of the skull?
the auriculotemporal nerve
what nerve affects the skin of the lower eyelid, side of the nose, upper lip, and mouth?
the infraorbital nerve