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1 dzień temu · The external ear consists of the auricle (pinna) and the external auditory canal. Its primary role is to collect and direct sound waves into the ear. Auricle (Pinna): The visible part of the ear, made of elastic cartilage and skin. It has several landmarks including the helix, antihelix, tragus, and lobule, which help to funnel sound waves into ...
16 sie 2020 · 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.
3 lis 2023 · The center of the auricle has a fossa that is continuous with the external acoustic meatus called the concha of the auricle. This concha is covered with a triangular cartilaginous process called the tragus. The base of the tragus is attached to facial skin, whereas its apex partially covers the entrance to the external acoustic meatus.
15 lis 2021 · The external ear is the part of the ear we can see with the naked eye. 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 (or pinna) is the elastic cartilaginous part of the external ear which projects outwards from the side of the head and is covered over by skin. The auricle is connected inwards to the external acoustic meatus or canal that leads to the tympanic membrane.
24 lis 2022 · Traditionally, it was believed that the tragus and superior portion of the pinna drain their lymph to the pre-auricular group of nodes. The cranial portion of the pinna drains to the group of nodes at the tip of the mastoid bone. The remainder of the auricle drains its lymph to the upper deep cervical lymph nodes. However, recent studies now ...
Also known as the external ear, the pinna is the visible portion of the ear of each side of the human head. Anatomically, it is composed of several sections, including the helix (the top curve), the lobe (the fleshy part at the bottom), and the tragus (the smaller flap of cartilage near the opening of the ear canal.
