inferior meatus

Introduction

Nasal conchae divide the nasal cavity into 4 passages:

• sphenoethmoidal recess --> lies superoposterior to the superior nasal concha, receives the opening of the sphenoidal sinus
• superior meatus
• middle meatus
• inferior meatus --> a horizontal passage inferolateral to the inferior nasal conchae
  • the nasolacrimal duct draining tears from the lacrimal sac opens into the anterior part of this meatus

More general terms

• meatus

Additional terms

• middle meatus
• superior meatus