Pinna ear anatomy. Anatomy of the Ear The anatomy of the external ear, also known as the auricle or pinna, is complex [Hunter and Yotsuyanagi, [2005]] and remarkably inaccurately described by most authors. Dec 11, 2024 · The external ear, or pinna, represents the first point of contact for sound waves entering our auditory system. The ear consists of structures such as the auricle (pinna), external auditory canal, tympanic membrane (eardrum), ossicles, cochlea, and . It is composed primarily of elastic cartilage covered by skin, giving it a flexible yet durable structure. Find out how the outer ear collects and channels sound waves and how it is supplied by arteries, veins and nerves. The pinna works differently for low and high frequency sounds. The outer ear, external ear, or auris externa is the external part of the ear, which consists of the auricle (also pinna) and the ear canal. See full list on my. The major landmarks of the external ear are depicted in Figure 1. It is divided into three main sections: the external ear, middle ear, and inner ear. Each part plays a critical role in capturing sound, transmitting it, and maintaining equilibrium. The auricle plays a role in shaping the external ear ’s contour and is involved in directing sound waves into the ear canal. The anatomy of the various components of the ear are The ear is a complex sensory organ responsible for hearing and balance. The external ear consists of skin (with adnexa), cartilage, and six intrinsic muscles. Discover its structure, muscles, nerves, and possible diseases that affect it. Learn about the auricle or pinna, the outer part of the ear that collects and directs sounds. It consists of several distinctive landmarks, including the helix, antihelix Notch of pinna Due to its anatomy, the pinna largely eliminates a small segment of the frequency spectrum; this band is called the pinna notch. Learn about the structure and function of the outer ear, also known as the auricle or pinna. May 17, 2024 · The outer ear is the part of the ear that you can see and where sound waves enter the ear before traveling to the inner ear and brain. For low frequencies, it behaves similarly to a reflector dish, directing sounds toward the ear canal. clevelandclinic. Each distinct part plays a crucial role in sound localization and amplification. Nov 24, 2022 · Learn about the structures and functions of the outer ear, including the pinna, the external acoustic meatus, the muscles and the cartilage. The outer ear consists of the tragus, helix and the lobule, and is made of cartilage and skin. 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 auricle, also known as the pinna, is the external, visible part of the ear. [1] It gathers sound energy and focuses it on the eardrum (tympanic membrane). org Mar 14, 2024 · Explore the intricacies of ear anatomy in our comprehensive guide! Our well-crafted ear parts diagrams reveal names, functions & details. Sep 14, 2025 · The ear can be divided into three parts; external, middle and inner. This detailed anatomical illustration showcases the complex structure of the outer ear, highlighting its various components that work together to capture and funnel sound waves toward the middle ear. This article will focus on the anatomy of the external ear – its structure, neurovascular supply and clinical correlations. k9iq idkhj ycnjrcn wq7xc zqkf yl oda exqam p0 xz6