External Ear Anatomy Auricle

External Ear Anatomy Auricle. The auricle or auricula is the visible part of the ear that is outside the head. Helix) o second branchial arch:

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Thi qar universitymedical collegeanatomy labdr.haneen adnanvideo recording ;zainab hussein In addition, the internal ear of a dog consists of a bony labyrinth that. It is composed of an irregular concave plate of elastic cartilage and dense connective tissue, covered by skin which contains short hairs (tragi), sebaceous glands, and ceruminous glands.

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Ear Anatomy Nerves

Ear Anatomy Nerves. Olfactory nerve (cn i) optic nerve (cn ii) oculomotor nerve (cn iii) trochlear nerve (cn iv) trigeminal nerve (cn v) abducens nerve (cn vi) facial nerve (cn vii) vestibulocochlear nerve (cn viii) glossopharyngeal nerve (cn ix) vagus nerve (cn x) accessory nerve (cn xi) hypoglossal nerve (cn xii) blood vessels csf. Coming from the inner ear and running to the brain is the eighth cranial nerve, the auditory nerve.

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This area is called the cerebellopontine angle (cpa) (the angle between. This nerve originates from the lateral surface of the brainstem and travels through the temporal bone in the internal acoustic meatus to innervate the inner ear. This contains receptors for balance.

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