Nasal and Temporal Region

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Nasal and Temporal Region

• Tony Serino, Ph.D.
• Clinical Anatomy

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Superficial Muscles
Nasalis
Zygomaticus
Levator labii superioris
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Nasal Cartilages
Lateral cartilage
Sesamoid cartilage
Septal cartilage
Alar cartilage
Nostril
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Nasal Cavity
Frontal Sinus
Vestibule
Auditory Tube
Yellow rods indicate openings to paranasal
sinuses
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ParanasalSinuses
Ethmoid
Frontal
Sphenoid
Maxillary
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Conchae Nasal Septum
Superior concha
Middle concha
Inferior concha
Perpendicular plate
Septal cart.
Nasal Septum
Vomer
Nasal Crest
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Arterial Supply to Nose
Ant. ethmoid a., branch of ophthalmic a.
Sphenopalatine a.,branch of maxillary
Kiesselbach area
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Nasal Innervation
Except for Olfactory area, served by CN V, V1
above dotted line V2 below
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Olfaction Sense
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Olfaction Signal Transduction
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Temporal Region
Facial n.
Parotid
Parotid duct
G. Auricular n.
Ext. Jugular
Facial a.
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Parotid Region
Ext. Acoustic Meatus
Styloid Process
IJV
Accessory n.
Vagus n.
Glossopharyngeal n
Int. Carotid
Ext. Carotid
Hypoglossal n.
SCM
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TMJ
Mandibular fossa
TMJ articular disc
Mandibular condyle (head)
Lateral Pterygoid m.
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Sound
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Frequency vs. Loudness
Frequency measured in hertz (Hz) Loudness
measured in decibels (dB)
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Anatomy of the Ear
Helix
Lobe
Tragus
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Middle and Inner Ear
Umbo
MalleolarProminence
Core of Light
I
IV
Arm
III
II
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Ossicles Amplify Sound
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Loud Sound Protection
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Cochlea and Cochlear Duct
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Frequency Perception

• Different frequency (pitch) of sound stimulates
  different areas of cochlear duct
• The overall area stimulated relates to the sound
  intensity

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Vestibular Apparatus
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Macula of Utricle and Saccule
Otoconia (otoliths)
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Ampulla Anatomy