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The ear is an organ of hearing and an organ of balance. It consists of the outer, middle, and inner ear. The outer ear includes the pinna (the part you see that is made of cartilage and covered by skin, fur, or hair) and the ear canal.
- Deafness in Dogs
Deafness may be congenital (present at birth) or acquired as...
- Deafness in Dogs
10 Σεπ 2016 · The basic anatomical components of the dog and cat ear are as follows: • Auricle, or pinna. • Auditory canal, or external auditory meatus. • Middle ear. • Internal ear. Structure of the External Ear. The external ear is composed of three elastic cartilages: annular, scutiform, and auricular (Figure 1-1).
Download scientific diagram | Schematic diagram of the external, middle, and internal ear, dog. ( A ) Cross-section through the skull. ( B ) Close up view of the middle and internal ear...
23 Ιουν 2017 · The canine middle ear (Figs 1.12 and 1.13) consists primarily of an air-filled tympanic cavity that is separated from the external ear by the tympanic membrane and from the inner ear by the vestibular and cochlear windows.
16 Δεκ 2009 · The canine ear consists of the pinna, external ear canal, middle ear and inner ear. The external ear is composed of auricular and annular cartilage. The auricular cartilage of the pinna becomes funnel shaped at the opening of the external ear canal.
27 Μαΐ 2022 · The dogs’ external ear canal or auditory canal is 5–10 cm long and 0.5–1 cm in diameter. It consists of two portions: the first with a vertical course (Figs. 3.2 and 3.3), in direct communication with the pinna, the second with a horizontal course (Figs. 3.4 and 3.5), which connects the vertical portion to the tympanic membrane (Figs. 3.6 and 3.7).
There are two openings between the middle and inner ear. The vestibular (oval) window is covered by one of the three bones within the middle ear, and the cochlear (round) window is covered by a mucous membrane. The cochlea is the portion of the inner ear involved in hearing via the cochlear nerve.
