Anatomy Dog Ear

The size and shape of the pinnae vary by breed. The outer ear includes the pinna the part you see that is made of cartilage and covered by skin fur or hair and the ear canal.

Ear Anatomy Stock Illustration Illustration Of Science

The visible outside flap of the ear is called the pinna.

Anatomy dog ear. Some canine anatomical names may be familiar to you dogs have elbows and ears and eyes but other names may be downright foreign. The inner ear contains the membranous labyrinth which is surrounded by the bony labyrinth. 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. A dog that needs an in depth examination of his ears will probably require anesthesia so that the veterinarian can perform the exam easily without causing the dog discomfort or anxiety. The outer ear consists of the ear flap also called the pinna which can be upright a prick ear or floppy.

It is this anatomy that makes dogs so easily predisposed to ear infections. Because the dogs ear drum is literally inches away and past a curve it is difficult to cause harm. The membranous labyrinth is an interconnected group of fluid filled membranous sacs.

Many anatomical terms used to describe parts of a dog are similar to the ones used for horses. The dogs ear canal has a vertical canal a nearly 90 degree turn and a horizontal canal prior to reaching the ear drum tympanic membrane. 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.

Floppy ears may allow less airflow to the ear canal making some floppy eared dogs more prone to ear infections. Some are floppy some are tall and pointy and some are just mud and water magnets spaniel owners will be nodding in agreement. Outer ear the outer ear includes the ear flap also known as the pinna as well as the portion of the ear you can see with the naked eye.

The inner ear is located within the petrous temporal bone. Heads up on dog parts starting from the head a dog is made up of the. The pinna is shaped to capture sound waves and funnel them through the ear canal to the eardrum.

The fluid is endolymph. Whilst fido may totally ignore you in search of that squirrel his hearing is actually pretty incredible. This pinna will flop in some dogs while in others it stands up straight.

A dogs ear is a fairly complex structure. In dogs the pinnae are mobile and can move independently of each other. 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.

Another part of the dogs head which can come in all shapes and sizes are their ears. It is quite different from our ear canal which is short and straight and it is easy to touch the ear drum.

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