part_of part of part of has characteristic attached to attached to head capsule antenna branching cuticular invagination mouthpart apodeme tentorium The paired apophysis that connects the posterior (ventral in prognathous head) and anterior (dorsal in prognathous head) walls of the head capsule and serves as site of isertion of atennal and mouthpart muscles. The solid, paired, branching cuticular invagination of the head capsule that is attached to the antenna and the mouthparts via muscles. bilaterally paired bilaterally paired anatomical structure somatic muscle somatic muscle, invertebrate