- like insects,
crustaceans and
millipedes are
composed of
units called ommatidia (sg.: ommatidium). An
ommatidium contains a
cluster of
photoreceptor cells...
-
arthropods such as
insects and crustaceans. It may
consist of
thousands of
ommatidia,
which are tiny
independent photoreception units that
consist of a cornea...
-
photoreceptor units or
ommatidia (ommatidium, singular). The
image perceived is a
combination of
inputs from the
numerous ommatidia (individual "eye units")...
-
moves across the eye as the
animal is rotated. This
occurs because the
ommatidia that one
observes "head-on" (along
their optical axes)
absorb the incident...
- con****uous in flight. An
adult dragonfly's
compound eyes have
nearly 24,000
ommatidia each.
Dragonflies can be
mistaken for the
closely related damselflies...
- also been
called Tetraconata,
referring to
having four cone
cells in the
ommatidia. The term "Tetraconata" is
preferred by some
scientists in
order to avoid...
-
retina distinguishes the
vertebrate camera eye from the
simple stemma or
ommatidia which make up
compound eyes. Additionally, not all
invertebrate ocelli...
-
lineola has
holoptic compound eyes, with the
dorsal ommatidia larger than the
ventral ommatidia In some male
mayflies the eyes are
split into separate...
- of
ommatidia,
clusters of
photoreceptor cells. Each eye
consists of two
flattened hemispheres separated by
parallel rows of
specialised ommatidia, collectively...
- prey.
Compound eyes
consist of
fifteen to
several thousand independent ommatidia,
columns that are
usually hexagonal in
cross section. Each ommatidium...
