The ear flap is part of the outer ear and stands up tall in some dog breeds or flops over in others. In some dogs it is of the floppy variety and in others it is straight or upright.
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It is composed of a cartilage core and skin.
Dogs ear anatomy. The outer ear middle ear and inner ear. The fluid is endolymph. Ear anatomy anatomy of the normal dog ear.
Moreover associated anatomical bodies such as cartilages nerves vascular supply glands and the ear cavity assists in the normal functioning of ear and helps the body to maintain balance. The middle ear includes the eardrum and a small air filled chamber that contains 3 tiny bones. When sound waves hit these layers and the inner ear which is the major functional part of a dogs ear the brain assesses and coordinates the identification of the sound wave.
The outer ear consists of the ear flap also called the pinna which can be upright a prick ear or floppy. Ear structure and function in dogs. This is the external most visual portion of the canine ear.
Beyond the ear flap is the ear canal and the eardrum. There are three parts to the ear. Dogs can have ear problems in all of these parts of the ear.
The inner ear is located within the petrous temporal bone. Unlike humans that have a very short ear canal dogs have a long narrow ear canal that makes almost a 90 degree bend as it travels to the deeper parts of the ear. The ear flap funnels sound into the ear canal.
The inner ear contains the membranous labyrinth which is surrounded by the bony labyrinth. The membranous labyrinth is an interconnected group of fluid filled membranous sacs. It also includes 2 muscles the oval window and the eustachian tube a small tube that connects the middle ear with the back of the nose allowing air to enter.
The hammer anvil and stirrup.
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