Proceedings: An additional trigeminal system in certain snakes possessing infra-red receptors.
D000818:Animals; D007259:Infrared Rays; D011984:Sensory Receptor Cells / Q000033:anatomy & histology*; D012911:Snakes / Q000033:anatomy & histology*; D014276:Trigeminal Nerve / Q000033:anatomy & histology* / Q000502:physiology