Learning Objectives
Students should be able to
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? Describe & identify the parts, blood supply and nerve supplyof external ear
? Describe & demonstrate the boundaries, contents, relations
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and functional anatomy of middle ear and auditory tube
Auricle
Continued....
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Common anomalies of the auricle
Continued.......
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External Acoustic Meatus
External, Middle and Inner Ear
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Medial, Anterior and Posterior Wal of the
Left tympanic Cavity
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Shape and Dimensions of Middle Ear Cavity
Wal s of Middle Ear Cavity and Content
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Anatomy of the Infratemporal Portion of the
Facial Nerve
Facial Nerve in Relation to Ear
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Auroscopic view of the left tympanic
membrane(Lateral Wal )
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Contents of Middle Ear Cavity
Chorda Tympani Nerve
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Nerve Supply of Middle Ear (Tympanic plexus)
Lymphatic Drainage of Middle Ear
? Preauricular
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? RetropharyngealClinical Correlates
? Otitis Media
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? Mastoiditis? Tympanic Perforation and Myringoplasty
? Otosclerosis, stapedectomy and stapedotomy
? Cholesteatoma
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Continued.......
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Continued.......MCQs
Question:- Which of the following is correct about Cholesteatoma in
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middle ear?a. Presence of transitional epithelium
b. Presence of stratified columnar epithelium
c. Presence of stratified cuboidal epithelium
d. Presence of keratinized stratified Squamous epithelium
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Question:- Which of the following represents the correct reason for
presence of Preauricular sinus
a. Failure of fusion of first and second brachial arches
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b. Failure of fusion of second and third brachial archesc. Failure of fusion of third and fourth brachial arches
d. Failure of fusion of fourth and fifth brachial arches
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