Anterior ethmoidal nerve suplies all except:
Maxillary sinus
Interior of nasal cavity
Dural sheath of anterior cranial fossa
Ethmoidal air cells
Maxillary sinus Maxillary sinus is not supplied by ant. ethmoidal nerve.Anterior ethmoidal nerve is the branch of the nasociliary nerve; a branch of ophthalmic division of trigeminal nerve.Ant. ethmoidal nerve supplies- Dura mater of ant. cranial fossa- Ethmoidal sinuses- Roof of the nasal cavity- Anterior pa of the lateral wall of nasal cavity- Anterior and upper pas of the nasal septum- Skin of the external nose to the nasal tip.