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Clinical Anatomy of Nasal and Temporal Region

Explore the detailed anatomy of nasal and temporal regions, including muscles, cartilages, sinuses, innervation, and arterial supply. Learn about sound frequency, loudness, and the anatomy of the ear for a comprehensive understanding.

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Clinical Anatomy of Nasal and Temporal Region

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  1. Nasal and Temporal Region Tony Serino, Ph.D. Clinical Anatomy

  2. Superficial Muscles Nasalis Zygomaticus Levator labii superioris

  3. Nasal Cartilages Lateral cartilage Sesamoid cartilage Septal cartilage Alar cartilage Nostril

  4. Nasal Cavity Frontal Sinus Vestibule Auditory Tube Yellow rods indicate openings to paranasal sinuses

  5. ParanasalSinuses Ethmoid Frontal Sphenoid Maxillary

  6. Conchae & Nasal Septum Superior concha Middle concha Inferior concha Perpendicular plate Septal cart. Nasal Septum Vomer Nasal Crest

  7. Arterial Supply to Nose Ant. ethmoid a., branch of ophthalmic a. Sphenopalatine a.,branch of maxillary Kiesselbach area

  8. Nasal Innervation Except for Olfactory area, served by CN V, V1 above dotted line V2 below

  9. Olfaction Sense

  10. Olfaction Signal Transduction

  11. Temporal Region Facial n. Parotid Parotid duct G. Auricular n. Ext. Jugular Facial a.

  12. Ext. Acoustic Meatus Parotid Region Styloid Process IJV Accessory n. Vagus n. Glossopharyngeal n Int. Carotid Ext. Carotid Hypoglossal n. SCM

  13. TMJ Mandibular fossa TMJ articular disc Mandibular condyle (head) Lateral Pterygoid m.

  14. Sound

  15. Frequency vs. Loudness Frequency measured in hertz (Hz) Loudness measured in decibels (dB)

  16. Anatomy of the Ear Helix Lobe Tragus

  17. Middle and Inner Ear Umbo MalleolarProminence Core of Light IV I Arm III II

  18. Ossicles Amplify Sound

  19. Loud Sound Protection

  20. Cochlea and Cochlear Duct

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

  22. Vestibular Apparatus

  23. Macula of Utricle and Saccule Otoconia (otoliths)

  24. Ampulla Anatomy

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