Nasal and Temporal Region

Tony Serino, Ph.D.

Advanced Anatomy & Physiology

Superficial Muscles

Zygomaticus

Levator labii superioris

Nasalis

Nasal Cartilages

Septal cartilage

Alar cartilage

Lateral cartilage

Nostril

Sesamoid cartilage

Nasal Cavity

Vestibule

Auditory Tube

Frontal Sinus

Yellow rods indicate openings to paranasal sinuses

ParanasalSinuses

Frontal

Ethmoid

Sphenoid

Maxillary

Conchae & Nasal Septum

Superior concha

Middle concha

Inferior concha

Perpendicular plate

Septal cart.

Vomer

Nasal Crest

Nasal Septum

Arterial Supply to NoseAnt. 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

Parotid

Parotid duct

Facial a.

Facial n.

Ext. Jugular

G. Auricular n.

Parotid Region

SCM

Vagus n.

Hypoglossal n.

Glossopharyngeal n

Accessory n.

Int. Carotid

IJV

Ext. Carotid

Ext. Acoustic Meatus

Styloid Process

TMJMandibular fossa

TMJ articular discMandibular condyle (head)

Lateral Pterygoid m.

Sound

Frequency vs.

Loudness

Frequency measured in hertz (Hz)

Loudness measured in decibels (dB)

Anatomy of the Ear

Lobe Tragus

Helix

Middle and Inner Ear

UmboMalleolarProminence

Arm

Core of Light

I

IIIII

IV

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