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11 gru 2021 · The tympanic cavity of a dog ear possesses a small, dorsal epitympanic recess and a large, ventral tympanic bulla. You will find three important auditory ossicles in the middle portion of the tympanic cavity of a dog’s ear.
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- Epididymis Histology Slide and Identification Points With Labeled Diagram
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. The pinna is shaped to capture sound waves and funnel them through the ear canal to the eardrum.
10 wrz 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).
23 cze 2017 · The middle ear is divided into three parts: (1) a large, ventral tympanic bulla within the temporal bone; (2) a small, dorsal epitympanic recess, which sits above the level of the tympanic membrane; and (3) the tympanic cavity proper, which connects the two and is bounded on its lateral surface by the tympanic membrane .The tympanic cavity ...
The tympanic cavity is located within the petrous temporal bone, and can be divided into dorsal, middle and ventral parts: - Dorsal: or epitympanum, conatining 2 of the auditory ossicles – the malleus and incus
16 gru 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.
The petrous temporal bone is located deep to the tympanic bulla dorsomedially. Within the petrous temporal bone is the osseous labyrinth. There are two parts to the osseous labyrinth: the cochlea, which is involved in hearing, and the semicircular canals, which are concerned with balance.
