[New post] Emu Eyes and Nictating Membranes

f&m posted: " The Australian Emu (Dromaius novaehollandiae) has protective nictating membranes on its eyes. The membrane over each eye protects them from dust. A nictating membrane is a transparent or translucent eyelid. The eyelid membrane not only prote" New post on SIMILAR BUT DIFFERENT IN THE ANIMAL KINGDOM Emu Eyes and Nictating Membranes by f&m The Australian Emu (Dromaius novaehollandiae) has protective nictating membranes on its eyes. The membrane over each eye protects them from dust. A nictating membrane is a transparent or translucent eyelid. The eyelid membrane not only protects the eye from dust, it also moistens the eye and cleans away any dust or dirt. This is because the emu lives in dry, dusty areas of Australia. Nictating means blinking. The eye membrane is called a third eyelid, or a haw, or a plica semilunaris, or a membrana nictitans.    Continue reading "Emu Eyes and Nictating Membranes" f&m | August 2, 2021 at 6:21 am | Tags: emu, eyelid, eyes, membrana nictitans, nictating, plica semilunaris | Categories: Birds, Definitions and Information | URL: https://wp.me/p8KWmD-6LA Comment    See all comments Unsubscribe to no longer receive posts from SIMILAR BUT DIFFERENT IN THE ANIMAL KINGDOM. Change your email settings at Manage Subscriptions. Trouble clicking? Copy and paste this URL into your browser: https://similarbutdifferentanimals.com/2021/08/02/emu-eyes-and-nictating-membranes/