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Photo#273127
Ommatidium of Machilis

Ommatidium of Machilis
Ommatidium of Machilis (a Bristletail) with parts labeled, from Comstock (1):
c - cornea
hy - corneal hypodermis
cc - crystalline-cone-cells
ap - accessory pigment cells
i - iris-pigment cells
r - retinula cells
rh - rhabdom
b - basement membrane
n - nerve