Molecular Any injury sustained from blunt force, which may be related to MVAs, or mishaps, falls or jumps, blows or crush injuries from animals, blunt objects or unarmed assailants. Cf Penetrating trauma. A wound in which the surface of the skin remains intact, caused by impact or collision with a blunt object, e.g., an automobile fender.
Mastoiditis occurs when ear infections cause infection in the mastoid bone. The mastoid bone can be found directly behind the ear. Mastoiditis causes the area behind the ear to swell and protrude out of the skin. The bump behind ear is accompanied with fever, ear pain, hearing loss and ear redness.
What is the hole in your ear called? Strictly speaking we have two 'holes' in our ears, the one soft and the other hard. The first or outermost hole is known as the external auditory meatus (meatus Latin = passage). This is the hole that you put your finger in to give it a good old scratching. It is basically an opening through skin and underlying cartilage and is part of the outer ear.