Special Senses Ear.

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Presentation transcript:

Special Senses Ear

Ear Development

Ear Divisions

External Ear

Middle Ear

Ossicles

Inner Ear

Temporal Bone

Boney and Membranous Labyrinth

Cochlea

Membranous Labyrinth of Cochlea

Scala Vestibuli and Timpani

Cochlear Duct

Boney and Membranous Labyrinth of the Cochlea

Organ of Corti: Models and Drawing

Organ of Corti: Detail

Histology of Spiral Organ of Corti

Basilar Membrane Basilar Membrane

Tectoral Membrane

Organ of Corti: Inner Hair Row

Organ of Corti: Outer Hair Cell Row

Organ of Corti: Supporting Cells

Wave Parts

Sound Collection

Sound Waves  Mechanical Energy

Synovial Joint Movement of Ossicles

Sound Wave Characteristics

Endolymph and Perilymph

Mechanical E  Electrical E

Basilar Membrane

Waves along Basilar Membrane

Cochlea and Frequencies

Distance and Multiple Waves : Pitch and Tonality

Frequency and Amplitude effects on Basilar Membrane

Auditory Nerve Fibers

Cochlear Branch of CN VIII

Auditory Pathways to Temporal Lobe: Internal Acoustic Meatus

Auditory Pathway

Auditory Cortex

Functional Tests

Otoscopic view of Tympanic Membrane

Vestibular Apparatus

Vestibule

Histology of Inner ear Vestibule Saccule Utricle Mastoid sinus cochlea Tympanic membrane

Static Equilibrium

Generalized Hair Cell

Physiology of Hair Cells

Macula

Macula in the Utricle

Semicircular Canals Superior Posterior Lateral

Dynamic Equilibrium

Stereo Cilia and Cupula of Crista Ampullaris

Nerve Fibers of Crista

Crista Ampullaris in SSC

Vestibular Branch of CN VIII

Vestibular Primary Connections

Central Pathways for Balance and Equilibrium

Genetic Deafness X-linked, recessive

Questions? Sound Waves

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