The twelve cranial nerves, in order from I to XII are: olfactory nerve, optic nerve, oculomotor nerve, trochlear nerve, trigeminal nerve, abducens nerve, facial nerve, vestibulocochlear nerve, glossopharengeal nerve, vagus nerve, spinal accessory nerve, and hypoglossal nerve. This article will explore the functions of the cranial nerves and provide a diagram. Diagram. I. Olfactory nerve. The olfactory nerve transmits information to the brain regarding a person's sense of smell. II. Optic nerve. III. Oculomotor nerve. IV. Trochlear nerve. V. Trigeminal nerve. VI. Abducens nerve. VII. Facial nerve. The 12th (hypoglossal) cranial nerve is evaluated by asking the patient to extend the tongue and inspecting it for atrophy, fasciculations, and weakness (deviation is toward the side of a lesion). The facial nerve is the seventh cranial nerve, or simply CN VII. It emerges from the pons of the brainstem, controls the muscles of facial expression, and functions in the conveyance of taste sensations from the anterior two-thirds of the tongue. two
Xth cranial nerve, Vagus, is the longest among all cranial nerves.
The function of cranium is to house and protect the brain. Other 14 bones form the face and are called facial bones. All the bones of the skull except the lower jaw bone form a rigid structure.
Remembering cranial nerve names in order of CN I to CN XII: On old Olympus's towering top a Finn and German viewed some hops. 2. Ooh, ooh, ooh to touch and feel very good velvet. Such heaven!
Answer and Explanation: A mixed nerve is a nerve that contains both afferent and efferent nerves. Therefore, mixed nerves function to transmit both sensory and motor
Potential symptoms of damage to the vagus nerve include: difficulty speaking or loss of voice. a voice that is hoarse or wheezy. trouble drinking liquids.
The trochlear nerve (CN IV) provides motor function to the superior oblique muscle of the eye. The trigeminal nerve (CN V) is the principal sensory supply to the head (face, teeth, sinuses, etc. ); it also provides motor function to the muscles of mastication.
The central nervous system (CNS) includes the nerves in the brain and spinal cord. It is safely contained within the skull and vertebral canal of the spine. All of the other nerves in the body are part of the peripheral nervous system (PNS).
Usually, your body goes numb when your nerves get damaged, pinched, or irritated. Any problems with these nerves can take away feeling from a part of your face. That can happen after dental surgery, an injury, or even sleeping in an odd position. Medical conditions also can cause facial numbness.
o Most patients should have some recovery within the first 2-4 weeks, however, complete recovery may take up to 6 months. If you have facial paralysis without recovery for more than 6 months you should see a physician immediately.
Commonly used medications to treat Bell's palsy include: Corticosteroids, such as prednisone, are powerful anti-inflammatory agents. If they can reduce the swelling of the facial nerve, it will fit more comfortably within the bony corridor that surrounds it. Antiviral drugs. The role of antivirals remains unsettled.
The main nerve trunk emerged anterior to the midearlobe and was 20. 1 +/- 3. 1 mm deep. Nerve exit from the parotid edge also was deep, averaging 9. 1 +/- 2. 8 mm for temporal, 9. 2 +/- 2. 2 mm for zygomatic, 9. 6 +/- 2. 0 mm for buccal, and 10. 6 +/- 2. 7 mm for mandibular branches.
Facial nerve repair is infrequently required, because most of these patients regain function spontaneously. When paralysis is permanent, some advocate facial nerve decompression in selected cases. The site of facial nerve injury may be intracranial, intratemporal, or external to the stylomastoid foramen.
Trigeminal neuralgia can occur as a result of aging, or it can be related to multiple sclerosis or a similar disorder that damages the myelin sheath protecting certain nerves. Trigeminal neuralgia can also be caused by a tumor compressing the trigeminal nerve.