part_of adult eye lens adult lens lenticular pore canal Fig. 15-30, in Biology of Ticks ISBN:0-19-505910-7. In Amblyomm americanum, the pore canals in the lens are organized into bundles and oriented in the dorso-ventral axis. The pore bundles are believed to act as light or wave guides since the pore canals become progressively smaller and converge towards the interior, which is likely to intensify the incoming light. TADS:0000553 TADS:0000553 default_namespace