ocellus
/əˈsɛləs
/noun (plural ocelli /əˈsɛlʌɪ/ /əˈsɛliː/) Zoology
1 Another term for simple eye.Between the compound eyes are usually three simple eye, or ocelli....
- The ocelli, or eye spots, may reduce damage from fin-biting predators by mimicking the head.
- The expression in adults was observed in dorsal ocelli cells in the nerve code.
2 another term for eyespot (sense 1), eyespot (sense 2).Besides functioning as an identification feature, the ocelli also have anti-predator functions....
- They suggested that the color change is stimulated by perception of the background color by the larval ocelli and effected by a neurophysiological pathway.
- Transverse cuticular wrinkles arranged in a tight parallel pattern form a ring posterior to the ocelli and encircle about 25% of the cephalothorax.
Derivatives
ocellar
- Adjacent to these lie the two ocellar bristles and the two postvertical bristles in addition to several microchaetae.
- During a 14-wk interval, a new postocellar region was regenerated while the anteriormost ocellar region degenerated.
- Neuronal hyperplasia is observed in mutant clones located behind the MF (white arrows) or in the ocellar precursor region (red arrows).
ocellate
Origin
Early 19th century: from Latin, diminutive of oculus 'eye'.