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What cranial nerve is the only one to leave the head and neck area?
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What is the function of cochlea nerve?
The cochlear nerve (also auditory or acoustic nerve) is a nerve in the head that carries signals from the cochlea of the inner ear to the brain. It is part of the vestibulocochlear nerve, the 8th cranial nerve which is found in higher vertebrates; the other portion of the 8th cranial nerve is the vestibular nerve which carries spatial orientation information from the semicircular canals. The cochlear nerve is a sensory nerve, one which conducts to the brain information about the environment, in this case acoustic energy impinging on the tympanic membrane. The cochlear nerve arises from within the cochlea and extends to the brainstem, where its fibers make contact with the cochlear nucleus, the next stage of neural processing in the auditory system.
What is recto-cranial inversion?
a bad case of your head up your a$$
What foramen does the trochlear nerve go through?
The trochlear nerve is also known as cranial nerve IV (CN-IV). It is the only cranial nerve that emerges dorsally from the brain, which also makes it the longest pathway. It is the smallest nerve to service the eye. CN-IV passes through superior orbital fissure, and it provides for only a motor function. It serves the superior oblique eye muscle and connects to the annular tendon. As a result, it processes brain signals to move eyes up and down and outwards. Whether due to a head injury or a complication of surgery, damage to this nerve will compromise some ability to use the superior oblique eye muscle. Without the use of the nerve, the superior oblique eye muscle will not no longer function properly. The muscle, not the trochlear nerve, physically moves the eyeball. Double vision, otherwise known as diplopia, results from problems with muscle or the nerve. Complications from these issues will result in a diminished ability to walk, especially down stairs.
What part is closer to the head than something else is said to be?
That part closer to the head than another is said to be superior (cranial) .
Where is nerve cells found?
Along your spine and head.
What is the only cranial nerve that travels outside of the area of the head and neck?
The Vagus
Is the vagus nerve the only cranial nerve to extend beyond the head and neck region?
True
How do somatic sensory nerve impulses get to the brainstem from the head itself?
Somatic sensory nerve impulses get to the brainstem from the head itself via the cranial nerves. Cranial nerves are also known as cerebral nerves.
What cranial nerve is injured most commonly at closed head injury?
cn6
What cranial nerve leaves the head and neck region to supply the internal viscera?
Vagus
What cranial nerve controls neck and shoulder movements?
Cranial Nerve XI (eleven) is know as the spinal accessory nerve and is responsible for the action of shoulder shrugging by way of its innervation of the trapezius muscle. The function of this cranial nerve may also be tested by asking the patient to turn their head to the left and right and by resisting this motion by placing your hand on their chin (the muscle tested in this second scenario is the Sternocleidomastoid, SCM).
What cranial nerve is used when rotating the head?
The spinal accessory nerve, or cranial nerve XI (eleven), is a purely motor nerve which innervates the trapezius and sternocleidomastoid muscles. The sternocleidomastoid muscles are used to turn the head. The Accessory nerve also provides somatic motor fibers to muscles of the soft palate, pharynx, and larynx (spinal and medullary fibers respectively.)
Where is the cranial?
The cranium is your head. So cranial means something having to do with the head.
Which structure is the cranial located?
The cranial is located in the skull, the head of the human body, since the word "cranial" has something to do with the head.
What cranial nerve that regulates most of the internal thoracic and abdominal organs?
X, Number 10- the Vagus Nerve is the one that is connected with abdominal organs."The vagus nerve (n. vagus) (X pair) is mixed. Its motor fibers from the cells start motor nucleus, and sensitive - sensitive ganglion cells from occurring in the jugular orifice. From the brain of the vagus nerve goes behind the olive tree, and the skull - through the jugular hole and is divided into many branches, bound to the organs of the head, neck, chest and abdominal cavities. "-from my Atlas of Human Anatomy
When The directional terms 'cranial' and 'caudal' are used when referring to structures in which area of the body?
Cranial means "towards the head" and Caudal means "towards the tail (or feet)"
Can sixth nerve palsy be caused by a traumatic fall to the ground?
If the head was involved in the trauma, then yes. Various studies of isolated extraocular nerve palsies/paralyses show that the sixth cranial nerve is the most susceptible to damage from trauma. This is due to the tortuosity and length of the abducens nerve.
