What is the anatomy of the human ear?
A brief description of the human ear along with a well-labelled diagram is given below for reference. Pinna/auricle is the outermost section of the ear. The external auditory canal links the exterior ear to the inner or the middle ear.
What is the structure of the ear drum?
Under the skin the outer one third of the canal is cartilage and inner two thirds is bone. The ear drum is about the size of a dime and is the same size in the new born baby as in the adult. The medical term for the ear drum is the tympanic membrane. The ear drum is a transparent gray membrane.
What is the difference between the ear canal and the pinna?
The Pinna is the main structure of the outer ear. Composed of durable and flexible tissue, the pinna is the curved dish-like organ that gathers outside sound waves and draws them into the ear. The Ear Canal is the tube that connects the pinna to the inner ear. It’s only a few centimeters long, and usually less than a centimeter in diameter.
What is the structure of the ear helix?
The Structure of Human Ear Helix: It is the prominent outer rim of the external ear. Antihelix: It is the cartilage curve that is situated parallel to the helix. Crus of the Helix: It is the landmark of the outer ear, situated right above the pointy protrusion known as the tragus.
What is the function of the ears?
Ears are one of the five sense organs of our body that mainly functions in the maintenance of body balance and hearing. Since, in humans, ears perform a dual function, i.e. perceiving sound waves and maintenance of body equilibrium, they are called the statoacoustic organ. The ears are located on the lateral sides of the head.
What is the size of the ear canal?
The canal is approximately an inch in length. The skin of the ear canal is very sensitive to pain and pressure. Under the skin the outer one third of the canal is cartilage and inner two thirds is bone. The ear drum is about the size of a dime and is the same size in the new born baby as in the adult.