title: Receptive area of an infrared tectal unit.
mesh_terms: D000818:Animals; D001931:Brain Mapping; D005071:Evoked Potentials; D007259:Infrared Rays; D011984:Sensory Receptor Cells / Q000502:physiology*; D012911:Snakes / Q000502:physiology*; D013477:Superior Colliculi / Q000166:cytology / Q000502:physiology*