anatomy

تشريح عملي / ثاني اسنان موصل

Ear
4 / 4 / 2016
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1/3

2/3
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It describes an S-shaped curve

about 10 mm in diameter
it is obliquely directed making an angle of 55 with the floor of the meatus

anterior

posterior




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Internal carotid artery

Bony part of
Auditory tube
Canal for
Tensor tympani
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Aditus to

Mastoid antrum
Pyramid


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Tegmen tympani

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Internal jugular vein

Tympanic branch of XI

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Fenestra vestibuli

Promontory
Fenestra chocleae
Prominence of
Facial n. canal
Tympanic plexus of ns.

Sinus tympani

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Posterior

Anterior
Medial
Lateral
Malleus
Incus
Stapes
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Vestibule

Cochlea

Semicircular canals

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Right bony labyrinth

Anterolateral view
Oval window
(Fenestra vestibuli)

Scala vestibuli

Anterior

Posterior
Semicircular
canals

Vestibule

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Right bony labyrinth

Anterolateral view
Anterior semicircular
canal

Posterior semicircular

canal

Anterior.

Posterior

Ampullae of semicircular

canals

Lateral semicircular

canal



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Anterior

Posterior

Semicircular canals

Lateral

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Right bony labyrinth
Anterolateral view
Apex

Anterior.

Posterior
Cochlea

Basal turn

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