Ear canal - Wikipedia
The ear canal (external acoustic meatus, external auditory meatus, EAM) is a pathway running from the outer ear to the middle ear. The adult human ear canal extends from the auricle to the eardrum and is about 2.5 centimetres (1 in) in length and 0.7 centimetres (0.3 in) in diameter.
Pictures of Ear Canal: Understand Ear Blockage Symptoms
5 days ago · The ear canal is also called the external acoustic meatus, outer ear, or auditory canal. It is the part of the ear that starts at the eardrum (between the outer and middle ear) and continues to the cartilage outside the ear. It is made of bone and cartilage.
External acoustic meatus: Anatomy and function - Kenhub
Mar 5, 2024 · The external acoustic meatus, also known as the external auditory canal or simply the ear canal, is a slightly S-shaped tube situated within the tympanic portion of the temporal bone. Its entrance is lies just in front of the mastoid process of the temporal bone.
The External Ear - Structure - Function - TeachMeAnatomy
Aug 16, 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.
external auditory canal - Encyclopedia Britannica
external auditory canal, passageway that leads from the outside of the head to the tympanic membrane, or eardrum membrane, of each ear. The structure of the external auditory canal is the same in all mammals.
External acoustic meatus - Structure, Location and Function
Sep 23, 2024 · The external acoustic meatus, also known as the ear canal, is a tubular passageway that extends from the outer ear to the tympanic membrane (eardrum). It is approximately 2.5 cm in length and is responsible for guiding sound waves from the external environment toward the middle ear.
Ear anatomy: Parts and functions - Kenhub
Nov 3, 2023 · The bony external acoustic meatus makes up the the medial two-thirds of the canal. Its anterior and inferior walls are built by the tympanic part of the temporal bone, whereas its posterior and superior walls are built by the squamous part of the temporal bone.
Anatomy, Head and Neck, Ear - StatPearls - NCBI Bookshelf
Jul 24, 2023 · The external auditory canal is laden with specialized ceruminous glands, which produce cerumen (earwax) that may hinder or repel the entry of insects and debris through the external acoustic meatus.
Anatomy and common conditions of the ear canal - Medical News Today
Jul 1, 2021 · The ear canal is a small, tube-like pathway that extends from the outer ear to the eardrum. A range of health problems can affect this sensitive area, including infection, inflammation, and...
How the Ear Works - Johns Hopkins Medicine
The auricle (pinna) is the visible portion of the outer ear. It collects sound waves and channels them into the ear canal (external auditory meatus), where the sound is amplified. The sound waves then travel toward a flexible, oval membrane at the end of the ear canal called the eardrum, or tympanic membrane.