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rhabdom

Ommatidium of Machilis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
No Taxon (Glossary)
No Taxon (R)
No Taxon rhabdom
Explanation of Names
New Latin, from Greek rhabdoma bundle of rods, from Greek rhabdos rod (Merriam Webster).
Identification
rhabdom noun - a transparent rod, found as bundles in the center of each ommatidium in the compound eye of arthropods. These rods are constructed from the eight photoreceptor cells in the ommatidium. The rhabdom is the photoreceptor light-sensing organelle and is the functional equivalent of the outer segment of vertebrate rod and cone cells (modified from Wikipedia--Rabdom).
See Also
Internet References
Wikipedia--Rabdom