the ear

The sense of the ear and the tact is to a great extent the people in charge of the agility and the feats that the cats characterize.

The sense of the ear or the action to hear and its reach are developed very in the cat comparing it with other animals. The auricular pavilion contains 30 muscles which make possible still more that they can move it in the direction of any sound with much rapidity, that a dog affluent guardian trained to listen to strange noises in a certain place. The man counts on 6 muscles in the ear, practically preventing any movement.

Hearing depends to a great extent on the ear since it as opposed to reacts the sounds that surround it, stimulating the auditory nerve, that as well transmits it to the brain.

She is small, wide in his acute base and in his superior part, a wonderful receiver of sounds.

The cartilage that constitutes it acts collecting the waves of sound. In the man one is adhered at the top, not thus in the cat that has flexible unemployed and.

The auditory nerve of the cat has 40,000 nervous fibers cocleares, whereas in the man has 10,000 less, reason why the cat can hear very high notes that to the man are impossible to him to listen.

In the internal ear are the organs that control the sense of the balance; when being very perfected, they allow that the animal moves surely even on narrow cornices and that always falls on the four legs. One is a characteristic of vital importance for the animals that live in the forest and climb the trees frequently. If we took a domestic cat, holding it by the previous and later legs (with the back returned towards the ground), and dropped it suddenly, the animal will always land on the four legs because, when changing the position of the body, reflections are pronounced in him that allow him to recover the correct position immediately.

The felines begin to hear between first or second week of life, when the external auditory channel is opened. They can get to distinguish between fifth and tenth of tone difference if the note is high, but is considerably smaller if the note is of LF.

The ear of these animals catches frequencies of 20,000 to 25,000 vibrations per second. This sense so is limited in the human beings who never would notice themselves of which a cat listens, since this one perceives until ultrasonic noises. Perhaps it is the reason thus these animals prefers to coexist with people who do not speak very energetically or shout and prefer not to be present when there are discussions or shouts; however they enchant to them when the people read or they feel to relax or to speak to each other smoothly or with them.

Thanks to their acute sense of the ear can react in immediate form, which has saved them innumerable times to be victims of a surprise attack. This sense combined to the sense of the tact allows that they are very fast, of instantaneous reactions, virtues that always have helped him to survive.

An abnormality of genetic origin exists that pronounces the deafness in those cats of white coat which they have celestial eyes, in some cases where they have a blue eye and the other of different color (anisocromía), the ear of the side of the blue eye does not have hearing, being normal in the other.

 

Bibliography

Author: MV Enrique L Fernandez De Vanna

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