Fenestrate membrane: of the compound eye is at the base of the ommatidia, at their junction with the optic nerve; see retina.
Ommatidium -ia: one of the elements of which the compound eye is composed.
The head of the bee on the preceding page furnishes us with an excellent illustration of a compound eye.
Few natural objects are more wonderful than the contrivance of a compound eye.
On the compound eye of a butterfly as many as 17,325 facettes have been counted.
Several autosomal mutations had been found in which the facets of the compound eye are disarranged.
Thus each little division of a compound eye forms its own image of the object that happens to be exactly opposite its facet.
A glance at the section of a compound eye will show you that all the little cones radiate from a common centre.
The ommatidium (soft structure beneath the lens-unit of a compound eye) is very simple in both Scorpio and Limulus.
The eye of a crustacean is a very complicated structure, commonly described as a compound eye.
|compound eye |
An eye consisting of hundreds or thousands of tiny light-sensitive parts (called ommatidia), with each part serving to focus light on the retina to create a portion of an image. Most insects and some crustaceans have compound eyes.