What does the olfactory nerve do?
Thereof, what does the olfactory nerve innervate?
The most cranial nerve is the Olfactory nerve (I) which runs from the nasal cavity through to the olfactory bulb. Cranial nerves III to XII all exit from the brain stem and innervate the head, neck and organs in the thorax and abdomen.
One may also ask, what does the olfactory epithelium do? The olfactory epithelium is the part of the olfactory system directly responsible for detecting odors.
In respect to this, what will happen if olfactory nerve is damaged?
Damage to the olfactory nerve can result in three different disorders. The first, anosmia is an inability to smell at all. Some people with olfactory nerve damage develop anosmia, but some simply have a reduced ability to smell. This is called hyposmia.
Can damaged olfactory nerves be repaired?
Damaged olfactory nerve cells can regenerate, but don't always reconnect properly in the brain.