Objective To show imaging findings of inferior orbital fissure(IOF)and groove(IOG)on axial CT scans and to discover their anatomic variations,so as to avoid misdiagnosing them as orbital fracture.

Sheet frontal sectional anatomy of superior orbital fissure region and its passing structures;

Microsurgical anatomy of superior orbital fissure and anterior cavernous sinus;

Microanatomical study of the cranial nerves passing through the superior orbital fissure;

The applied anatomy and clinical significance of infraorbital canal;

Influence of maxillary protraction on infraorbital nerve of dog;

Methods Four kinds of concentrations of colchicines were injected into the infraorbital nerve of rats respectively.

The blood supply study of the infraorbital artery and its application in the nasal tissue defects;

OBJECTIVE The purpose of this study is to evaluate the treatment effects of nasal defect reconstruction used by the nasolabial skin flap pedicled on the infraorbital vessels.