Summary
A third proprioceptor is described in the head ofOryzaephilus, which—just as the other two—presumably controls the movement of the mandible. It consists of two muscle fibres between the anterior arm of tentorium and the dorsal base of mandible, and a sensory cell, which sends a dendrite to the muscle insertion. The numerous endings of the dendrite lie between the touching surfaces of muscle fibres and epidermis cells. They do not show any ciliary structures and are not surrounded by glia cells or connective tissue.
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Honomichl, K. Feinstruktur eines dritten, nicht-ciliären Propriorezeptors an der Mandibel vonOryzaephilus surinamensis (L.) (Insecta, Coleoptera). Protoplasma 96, 149–156 (1978). https://doi.org/10.1007/BF01279582
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DOI: https://doi.org/10.1007/BF01279582