What does a normal eardrum look like in the human ear?

The tympanic membrane is located between the external auditory canal and the tympanic chamber, plays a barrier role, separates the external auditory canal from the middle ear, the tympanic membrane is an elliptical translucent membrane concave inward, and the tympanic membrane is often divided into four quadrants, that is, an imaginary straight line is made along the malleus handle, and a straight line that intersects perpendicularly with the tympanic membrane through the umbilicus, the tympanic membrane can be divided into 4 quadrant areas, the tympanic membrane 1 4 is thin and relaxed, called the relaxation part, which is red on the living body, and the lower 3 4 is gray-white membranous called the tension part, and there is a triangular row of reflective areas called light cones under the front and bottom.

The eardrum of the ear: oval, pale gray, translucent membrane. It is located at the bottom of the external auditory canal and serves as the boundary between the outer and middle ears.

The majority of the tympanic membrane is attached to the tympanic groove of the temporal tympanic, and a small part of the upper part is attached to the scales. The part attached to the drum groove is more solid, called the tension part; The part attached to the scales is thin and loose, and is called the relaxation part. The tympanic membrane is concave inward, and the tip of the depression is called the tympanic umbilicus.

Located in the middle ear. The eardrum, also known as the eardrum, is an elastic, grayish-white, translucent membrane that separates the external auditory canal from the middle ear. The tympanic membrane is about one centimeter from the opening of the external auditory canal, located between the external auditory canal and the tympanic chamber, the height of the eardrum is about 9 mm, the width is about 8 mm, the average area is about 90 square millimeters, and the thickness is millimeters.

The eardrum, also known as the eardrum, is an elastic grayish-white translucent membrane that connects the outer ear.

The tract is separated from the middle ear. The tympanic membrane is about 2 5 cm to 3 5 cm from the opening of the external auditory canal, located between the external auditory canal and the tympanic chamber, the height of the eardrum is about 9 mm, the width is about 8 mm, the average area is about 90 square mm, and the thickness is mm. The tympanic membrane is oval, its shape is like a funnel, and it is placed obliquely in the external auditory canal, and it is at the bottom of the external auditory canal.45-50

As a result, the posterior superior wall of the external auditory canal is shorter than the anterior inferior wall. In infants and young children, because the bones of the ear canal are not developed, the eardrum is almost parallel to the bottom wall of the external auditory canal, so it is difficult to see when the eardrum is examined.

The normal tympanic membrane, which divides the middle and outer ears, is oval-shaped, slightly concave in the middle, grayish-white, transparent, and at a 30-degree angle to the base of the ear canal. The eardrum is 8mm wide and about 9mm high, thick and tough.

The eardrum can withstand a certain amount of air and water pressure and resist infection, and the eardrum transmits sound and converts sound energy into mechanical energy. Your hearing loss must be related to this, and it is recommended to choose hearing aids as soon as possible to protect residual hearing.

The eardrum is a grayish-white, translucent membrane that separates the external auditory canal from the middle ear. It can block foreign bodies from entering the middle ear, and its main role is to amplify the sound waves entering the outer ear. A perforated tympanic membrane will definitely be accompanied by hearing loss, but a slight perforation can heal on its own without inflammation, and if there are others, it must be timely** to avoid irreversible hearing loss.

The normal tympanic membrane is the boundary between the middle and outer ears, oval, slightly concave in the middle, grayish-white, transparent, and about 45 degrees to the bottom of the ear canal. The eardrum is 8mm wide and about 9mm high, thick and tough. The eardrum can withstand a certain amount of air and water pressure and resist infection, and the eardrum transmits sound and converts sound energy into mechanical energy.

Normal tympanic membrane.