Cockroach Maxilla

maxilla - side viewmaxilla - front view
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The cockroach mandible is well sclerotized (hardened), with the heaviest sclerotization occurring at the teeth. The molar area of the mandible is a grinding surface. This type of mandibular structure enables cockroaches to break down a wide variety of materials such as human food scraps, leather, paper, glue and, in some species, wood.