Ear Bones Diagram. This sinus is located in the maxilla bone under the eye contains three recesses and is shaped like a pyramid. The ear has outer middle and inner portions.
There are exceptionally fine hair and wax-secreting sebaceous glands in the skin of the pinna and the auditory canal which form part of innate immunity. The middle ear contains three bones. Attached to the center part of the drum is the middle ear bone the malleus.
The bones of the ear also known as the auditory ossicles are the three smallest bones in the human body.
Sebaceous and ceruminous glands in this outer one-third produces earwax cerumen. Ii There is a small flexible chain of three small bones called ear ossicles the malleus hammer shaped the incus anvil shaped and the stapes stirrup shaped. The outer one-third is made up of cartilage lined with skin that is similar to the skin of the auricle. Attached to the center part of the drum is the middle ear bone the malleus.
