Table of Contents
What is the outer opening of the ear called?
Pinna
External or outer ear, consisting of: Pinna or auricle. This is the outside part of the ear. External auditory canal or tube.
What is the fleshy part of the external ear on the outside of the head?
Pinna. The pinna (also known as the auricle or auricula) is the fleshy portion on the ear outside of the skull. The pinna’s main function is to collect sound waves from the external environment.
What is the external cartilaginous part of the ear called?
The medical term for the outer ear is the auricle or pinna. The outer ear is made up of cartilage and skin.
What is the area in front of the ear called?
The tragus is a small pointed eminence of the external ear, situated in front of the concha, and projecting backward over the meatus. It also is the name of hair growing at the entrance of the ear.
What is the fleshy part of the ear?
The lobule, the fleshy lower part of the auricle, is the only area of the outer ear that contains no cartilage. The auricle also has several small rudimentary muscles, which fasten it to the skull and scalp.
What is the external auditory meatus surrounded by?
The medial two-thirds is surrounded by bone. The anterior wall, floor, and lower part of the posterior wall arise from the tympanic part of the temporal bone 3,4. The roof and upper part of the posterior wall arise from the squamous part of the temporal bone 4.
What is in front of your ear?
The preauricular lymph nodes are the ones located just in front of your ears. They drain lymph fluid from the eyes, cheeks, and the scalp near your temples. Generally, lymph nodes swell in only one area of the body at a time (localized lymphadenopathy).
Where is the outer ear?
pinna
The outer ear consists of the visible portion on the side of the head, known as the pinna [1], and the external auditory canal (ear canal) [2]. The purpose of the pinna is to catch sound waves, amplify them slightly, and funnel them down the ear canal to the tympanic membrane (eardrum) [3].
Which is the external part of the ear?
The auricle (or pinna, pinna of ear, auricle of ear, auricula, latin: auricula) is the external, visible component of the ear around the outer opening of the ear canal. The main function of the auricle is to collect, amplify and direct sound waves into the external auditory canal.
Which is the external margin of the auricle?
The helix is the external, curved margin of the auricle. Inferiorly it ends as soft tissue, also known as the lobule of the auricle. The crus of the helix is the site of origin of the helix situated in the cavity (concha) of the auricle. The spine of the helix is a small cartilaginous prominence projecting forward from the crus.
Where is the tragus located in the auricle?
The tragus is a flat, triangular, cartilaginous projection in front of the external acoustic opening that starts as the concha of the auricle. The base of the tragus is attached to facial skin, while the apex is the one that partially covers the external acoustic opening.
Where is the concha of the auricle located?
The cavity of the concha of the auricle is the main part of the concha located below the crus of the helix and behind the tragus. The tragus is a flat, triangular, cartilaginous projection in front of the external acoustic opening that starts as the concha of the auricle.