nicitating
|
||||||||||||||
|
|
|
|
||||||||||||
|
|
||||||||||||||
Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
nicitating |
||||||||||||||||||||||||||||||||||||||||
| navigate by keyword : vestigial vertebrates translucent third surface steel sitting sight semitransparent raptor protection pond nictitating nictitan nicitating moisten membrane lubricate leucocephalus haliaeetus eyelid eye eagle deadwood bald animal perched avian ornithology steeleye thirdeye hunting drydenlake tompkins dryden tc3 rt38 virgilcreek wetlands birding flx fingerlakes newyorkstate nys biology nature habitat |
||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||
| The nictitating membrane (nictitan) is a membrane or third eyelid found in some vertebrates that can be drawn across the eye for protection and to moisten and lubricate the surface of the eye. It is either translucent or semi-transparent so the animal maintains sight while it covers the eye. |
||||||||||||||||||||||||||||||||||||||||
|
Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
||||||||||||||||||||||||||||||||||||||||