... , the agamid Pseudoptrapelus sinaitus and the chameleonid Chamaeleo jacksonii. Denervation of the mandibulohyoideus muscle slips had an effect only on P. sinaitus and C. jacksonii , in which tongue protrusion or projection distance was reduced. In C. jacksonii , denervation of the M. mandibulohyoideus...

...Peter C. Wainwright; Albert F. Bennett ABSTRACT In this paper we document the activity of key muscles of the tongue, hyobranchia! apparatus and head during prey capture in the lizard Chamaeleo jacksonii Boulenger and use these data to test current hypotheses of chameleon tongue function...

... 32306-3050, USA. 23 3 1992 © 1992 by Company of Biologists 1992 Chamaeleo jacksonii chameleon feeding mechanism lizard muscle contractile properties muscular hydrostat The amniote tongue is characterized by a large, complexly arranged muscular portion invested...