The trigeminal nerve, CN V, is the fifth paired cranial nerve. It is also the largest cranial nerve. In this article, we shall look at the anatomical course of the nerve, and the motor, sensory and parasympathetic functions of its terminal branches.he trigeminal nerve, CN V, is the fifth paired cranial nerve. It is also the largest cranial nerve. In this article, we shall look at the anatomical course of the nerve, and the motor, sensory and parasympathetic functions of its terminal branches.
Acquired deafness contrasts to congenital deafness which is present at birth. The distinction between acquired and congenital deafness specifies only the time that the deafness appears. It does not specify whether the cause of the deafness is genetic (inherited). Acquired deafness may or may not be genetic. For example, it may be a manifestation of a delayed-onset form of genetic deafness.
The medical term for a mole is a NEVUS (mole is Latin for spot.). Nevi are the plural of nevus. Congenital nevi are moles present at birth; acquired nevi develop anytime later. Nevi are made up of a particular type of cell, and the name is used to distinguish them from other, similar appearing fleshy growths. Acquired Nevi. Most moles that are acquired during life are usually less than 1/4 inch in size. Many of those that form in childhood and early adult life are now thought to be due to sun damage. Most people think of a mole as being a dark brown spot, but moles have a much wider range of appearance.