Tessier classification

Tes·si·er class·i·fi·ca·tion

(tes'yā), an anatomic classification of facial, craniofacial, and laterofacial clefts that uses the orbit as the primary structure for reference. Fifteen locations for clefts are differentiated.

Tes·si·er clas·si·fi·ca·tion

(tesyā klasi-fi-kāshŭn) Anatomic classification of facial, craniofacial, and laterofacial clefts that uses orbit as primary reference structure.