Nasal and Temporal Region Tony Serino PhD Clinical Anatomy Nasal and Temporal Region Topic Objectives Be able to list and identify the parts of nasal and temporal region including skeletal muscle nervous and blood supply ID: 765303
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Nasal and Temporal Region Tony Serino, Ph.D. Clinical Anatomy
Nasal and Temporal Region: Topic Objectives Be able to list and identify the parts of nasal and temporal region including skeletal, muscle, nervous and blood supply Be able to identify on X-ray the paranasal sinuses and their relationships to the nasal cavity Understand the relationship between olfaction and meningitis risk Be able to outline the transmission of sound through the ear Be able to explain sound translation with regard to loudness and pitch physiologically and anatomically Be able to contrast the differences between static and dynamic equilibrium
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
Paranasal Sinuses 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 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, V 1 above dotted line V 2 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
TMJ Mandibular fossa TMJ articular disc Mandibular condyle (head) Lateral Pterygoid m.
Infratemporal Fossa
Infratemporal Fossa
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 Umbo Malleolar Prominence Arm Core of Light I II III IV
Other Important Structures in Tympanic Cavity
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)
Ampulla Anatomy