Option AA. The subsquamosal fenestra is not well defined, and is much less than 1/3 of the area of the postglenoid foramen.B. The total number of teats is 8.C. The incisive foramina extends well past the anterior border of the first upper molar.Select

Option BA. The subsquamosal fenestra is well defined, and is at least 1/3 of the area of the postglenoid foramen.B. The total number of teats in females is 6 or 8.C. The incisive foramina may or may not extend well past the anterior border of the first upper molar.Select