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This article will focus on the anatomy of the external ear – its structure, neurovascular supply and clinical correlations. The external ear can be divided functionally and structurally into two parts; the auricle (or pinna), and the external acoustic meatus – which ends at the tympanic membrane.
The medical term for the outer ear is the auricle or pinna. The outer ear is made up of cartilage and skin. There are three different parts to the outer ear; the tragus, helix and the lobule.
The pinna is the visible, outer part of the ear that protrudes from the head and is made up of cartilage covered with skin. Its unique shape and position allow it to capture and funnel sound waves into the ear canal, where they are then amplified and transmitted to the eardrum.
There is a cartilaginous portion, known as the pinna or auricle and a bony, tubular segment called the external acoustic meatus. The former portion of the auditory system is the first point at which sound wave modification begins.
Also known as the pinna, it consists of a curved framework of cartilage covered in skin that directs sound waves into the ear. The auricle consists of many different parts: Helix: This is the outermost curve of cartilage extending from the head to the ear lobe.
Also called the auricle or pinna, your outer ear consists of ridged cartilage and skin, and it contains glands that secrete earwax. Its funnel-shaped canal leads to your eardrum, or tympanic membrane.
The external ear is the visible part of the hearing apparatus. It is comprised of the auricle (pinna) and external auditory canal, including the lateral surface of the tympanic membrane. Together with the tympanic membrane and the middle ear, the pinna serves to amplify sound.
Structure and Anatomy Overview. The auricle (or pinna) is the visible part of the external ear, composed mainly of elastic cartilage covered by skin.Its intricate structure consists of various folds, ridges, and depressions that give it its unique shape. The auricle serves as the outermost component of the auditory system and connects to the external auditory canal.
At the bottom of the ear canal is the tympanic membrane which establishes the border between the external and middle ear. Auricle The auricle, also known as pinna, is a wrinkly musculocutaneous tissue that is attached to the skull and it functions to capture sound.
It is attached to the lateral aspect of the head and is characteristically divided into two parts: the auricle or pinna and the external acoustic meatus (more commonly referred to as the ear canal). 1,2,3. The auricle. Apart from the lobule, which contains fat and connective tissue, the auricle is a cartilaginous structure covered by skin.