Transcript Nasal and Temporal Region

Nasal and Temporal Region
Tony Serino, Ph.D.
Advanced Anatomy & Physiology
Superficial Muscles
Nasalis
Zygomaticus
Levator labii superioris
Nasal Cartilages
Lateral cartilage
Sesamoid cartilage
Septal cartilage
Alar cartilage
Nostril
Nasal Cavity
Frontal Sinus
Vestibule
Auditory Tube
Yellow rods indicate openings
to paranasal sinuses
Paranasal
Sinuses
Ethmoid
Frontal
Sphenoid
Maxillary
Conchae &
Nasal Septum
Superior concha
Middle concha
Inferior concha
Perpendicular plate
Septal cart.
Nasal
Septum
Vomer
Nasal Crest
Arterial Supply to Nose
Ant. ethmoid a., branch of ophthalmic a.
Sphenopalatine a.,
branch of maxillary
Kiesselbach area
Nasal Innervation
Except for Olfactory area, served by CN V,
V1 above dotted line V2 below
Olfaction
Sense
Olfaction Signal Transduction
Temporal Region
Facial n.
Parotid
Parotid duct
G. Auricular n.
Ext. Jugular
Facial a.
Ext. Acoustic Meatus
Parotid
Region
Styloid
Process
IJV
Accessory n.
Vagus n.
Int. Carotid
Glossopharyngeal n
Ext. Carotid
Hypoglossal n.
SCM
TMJ
Mandibular fossa
TMJ articular disc
Mandibular condyle (head)
Lateral Pterygoid m.
Sound
Frequency
vs.
Loudness
Frequency
measured in hertz
(Hz)
Loudness
measured in
decibels (dB)
Anatomy of the Ear
Helix
Lobe
Tragus
Middle and
Inner Ear
Umbo
Malleolar
Prominence
IV
I
Arm
III
II
Core of
Light
Ossicles Amplify Sound
Loud Sound Protection
Cochlea and Cochlear Duct
Frequency Perception
• Different frequency (pitch)
of sound stimulates
different areas of cochlear
duct
• The overall area stimulated
relates to the sound intensity
Vestibular Apparatus
Macula of Utricle and Saccule
Otoconia (otoliths)
AP Generation in
Macula
Ampulla Anatomy