The extra-ocular light receptors of the squids Todarodes and Illex.
D000818:Animals; D008027:Light; D008032:Limbic System / Q000033:anatomy & histology; D008974:Mollusca / Q000033:anatomy & histology*; D009413:Nerve Fibers, Myelinated; D009900:Optic Nerve / Q000166:cytology; D011984:Sensory Receptor Cells / Q000033:anatomy & histology*