Nose and Nasal Cavity

 

Learning Objectives

After reading this blog you will know

  • Components of external nose and its nerve supply.
  • Boundaries of nasal cavity.
  • Components of nasal septum.
  • Features of lateral wall of nose. Nasal chonchae and meatuses.
  • Structures opening into meatuses.
  • Arterial supply of nasal septum.
  • Little’s area and Kisselbach’s plexuses and it applied significance.
  • Nerve supply of nasal septum and lateral wall of nasal cavity.

External Nose

external nose -components and nerve supply

 

Subdivisions of Nasal Cavity

subdivisions of nasal cavity

 

Boundaries of Nasal Cavity- Roof, Floor, Nasal septum and Lateral Wall

Boundaries of nasal cavity- nasal septum and lateral wall

 

Structures Opening into the Lateral wall of Nasal Cavity

Structures opening into lateral wall of nasal cavity

 

Arterial Supply of Nasal Septum – Little’s area and Kisselbach’s Plexus

arterial supply of nasal septum- little's area and kisselbach's plexus

 

Nerve Supply of Nasal Septum and Lateral Wall of Nasal Cavity

Nerve supply of nasal septum and lateral wall of nasal cavity

 

 

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