The posterior ethmoid cells drain into a different location (green check). Their secretions exit above the middle turbinate and behind the portion of the middle turbinate called the basal lamella (red check). The anterior ethmoid drainage is shown in blue check, the maxillary sinus drainage in purple check, and the frontal in black and white check.
Introduction 1
The Lab
Sinuses Side
Sinuses Front
Mid-Saggital
Septum
Deviated Septum
Deviated Septum
Inferior Turbinate
Inferior Turbinate
Middle Turbinate
Concha Bullosa
Middle Turbinate
Middle Turbinate
Airflow
Airflow
Frontal
Frontal
Drainage
Drainage
Drainage
Drainage
Sphenoid
Sphenoid
Maxillary
Maxillary
Maxillary
Mucous Flow
Ostio-Meatal
Ostio-Meatal
Polyps
Polyps
Windows
Windows
Endoscopic
Endoscopic
Turbinate Reduction
Turbinate Reduction
Cool Picture