I

Jugular spina Jugular fossa

Foramen ovale Foramen spinosum Auditory (eustachian) tube

Head of condylar process of mandible

Carotid canal External auditory canal

Manubrium of malleus

III segment (vertical, mastoid) of facial canal

Cochlear aqueduct Mastoid air cells

Carotid canai (horizontal portion)

Glenoid fossa of the temporomandibular joint

Auditory (eustachian) tube Tympanic cavity Manubrium of malleus External auditory canal Long crus of incus Basal turn of cochlea Round window Posterior semicircular canal Cochlear aqueduct

Basal turn of cochlea

Malleus

Long crus of incus

I ncud o stapedial joint

Canal of the stapedial muscle ill segment (vertical, mastoid) of facial canal

Pyramidal eminence

Posterior Posterior semicircular Sinus ampulla canal tympani

Basal turn of cochlea

Malleus

Long crus of incus

I ncud o stapedial joint

Canal of the stapedial muscle ill segment (vertical, mastoid) of facial canal

Pyramidal eminence

Carotid canal (horizontal portion)

Posterior Posterior semicircular Sinus ampulla canal tympani

Carotid canal

Apical turn 1 Middle turn Basal turn

Head of malleus

Long crus of incus

Short crus ofincus

Stapes

III segment (vertical, mastoid) of facial canal

Vestibule

Tensor tympani muscle in the bony canal

External opening of vestibular aqueduct for the endolymphatic duct

Posterior semicircular canal

Apical turn 1 Middle turn Basal turn

Cochlea

Head of malleus

Long crus of incus

Short crus ofincus

Stapes

III segment (vertical, mastoid) of facial canal

Vestibule

Carotid canal

Tensor tympani muscle in the bony canal

Posterior semicircular canal

External opening of vestibular aqueduct for the endolymphatic duct

Canal of tensor tympani muscle

Cochlea

Head of malleus

Body of incus

Short crus of Incus

Superior ampulla

Aditus ad antrum

Vestibule

Lateral semicircular canal

Posterior semicircular canal

Canal of tensor tympani muscle

Cochlea

Head of malleus

Body of incus

Short crus of Incus

Superior ampulla

Aditus ad antrum

Vestibule

Lateral semicircular canal

Posterior semicircular canal

Groove of greater petrosal nerve

Modiolus

II segment (horizontal, tympanic) of facial canal

Head of malleus

Incudo-malleolar joint Body of incus Aditus ad antrum Vestibulus Antrum

Lateral semicircular canal Posterior semicircular canal Internal auditory canal Vestibularaqueduct

Groove of greater petrosal nerve

Spiral lamina of the cochlea

Geniculate fossa

Vestibulus

Antrum

Lateral semicircular canal Superior semicircular canal Internal auditory canal Vestibular aqueduct

Groove ofgreater petrosal nerve

Geniculate fossa

I segment (horizontal, labyrinthine) of facial nerve

Cochlea

Superior semicircular canal

Internal auditory canal

External opening for the endolymphatic duct

Middle cranial fossa

Superior semicircular canal

Mastoid

Internal acoustic meatus

Superior semicircular canal

Posterior cranial fossa

Middle cranial fossa

Superior semicircular canal

Mastoid

Internal acoustic meatus

Superior semicircular canal

Posterior cranial fossa

Coronal Sections

Internal carotid artery in carotid canal

Canai of tensor tympani muscle

Glenoid cavity of temporal bone

Condylar process of mandible

Temporomandibular joint

Auditory (eustachian) tube

Temporomandibular joint

Internal carotid artery in carotid canal

Groove of greater petrosal nerve

Canal of tensor tympani muscle

Hypo tympanum

Internal carotid artery in carotid canal

Groove of greater petrosal nerve

Canal of tensor tympani muscle

Hypo tympanum

Cochlea

Middle turn Upper turn

Genlculum of facial nerve

Tensor tympani muscle

Head of malleus

Septum jugulohypotympanicum

Cochlea Modiolus

Tendon of tensor tympani muscle

Body of Incus Malleus

Tympanic membrane Septum jug ulohypotympanicu m jugular bulb

I portion (horizontal) of facial nerve

Tendon of tensor tympani muscle

Body of incus

Malleus

Scutum

Tympanic membrane Septum jugulohypotympanicu Jugular bulb

Cochlea Facial canal Teg men tympani Head of malleus Prussak space Scutum

Manubrium of malleus External auditory canal Tympanic membrane Septum jugulohypotympanicum Jugular bulb

Crista falciformis

Superior semicircular canal

II segment (horizontal, tympanic) of facial canal

Head of malleus

Scutum

Stapes

External auditory canal Cochlea

Septum jugulohypotympanicum Jugular bulb

Stapes

Promontory

Basal turn of cochlea

Crista falciformis

Superior semicircular canal

Lateral semicircular canal

Vestibule

Scutum

Stapes

Promontory

Basal turn of cochlea

internal auditory canal Superior semicircular canal Antrum

Lateral semicircular canal Vestibule

Short crus of incus

II segment [horizontal, tympanic) of facial canal

Oval window

Stapes

Promontory

Superior semicircular canal Internal auditory canal Antrum

Korner's septum

Lateral semicircular canal

Vestibule n II segment (horizontal, tympanic) of facial canat x External auditory canal

Internal auditory canal

Round window

Superior semicircular canal Superior vestibular canal Utriculus Antrum

Lateral semicircular canal

II segment (horizontal, tympanic) of facial canal

Sinus tympani External auditory canal Subiculum

Inferior vestibular canal

Vestibular aqueduct

Styloid process

Inferior vestibular canal

Vestibular aqueduct

Styloid process

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Essentials of Human Physiology

Essentials of Human Physiology

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