title: The distribution and morphology of probable photoreceptors in eight species of ticks (Ixodoidea).
mesh_terms: D000818:Animals; D001369:Axons / Q000166:cytology; D002467:Cell Nucleus; D006654:Histology, Comparative; D009420:Nervous System / Q000166:cytology; D009457:Neuroglia / Q000166:cytology; D009474:Neurons / Q000166:cytology; D010786:Photoreceptor Cells / Q000166:cytology*; D012867:Skin / Q000166:cytology; D013987:Ticks / Q000166:cytology*