The Scarab wears a suit of exoskeletal armor, which resembles a silver-colored humanoid scarab. Redeemer had an exoskeletal suit with weapons like repulsor blasters, and rocket fuel. The head in most insects is enclosed in a hard, heavily sclerotized, exoskeletal head capsule'. The teeth are exoskeletal structures, partly of ectodermal, partly of dermal origin. These exoskeletal structures are formed by bone matrix depositing osteoblasts and are remodeled by osteoclasts. Pug jumpers are hard exoskeletal creatures that live on Kashyyyk. The mesothorax and metathorax have well-developed exoskeletal plates; the prothorax has smaller plates. The exoskeletal engine (ESE) is a concept in turbomachinery design. Bike powered, RWD, two seater, exoskeletal, reverse trike introduced July 2009. Gross was working with fragments of the cranial exoskeletal bones of the unidentified "Lunaspis" species. She initiated the eXoSkeletal framework, which implements this idea. "Uraba lugens" is nicknamed the mad hatterpillar because of its distinctive exoskeletal feature. The structure is an exoskeletal concrete frame. The tymbal (or timbal) is the corrugated exoskeletal structure used to produce sounds in insects.