What is another word for nictitating membrane?
Pronunciation: [nˈɪktɪtˌe͡ɪtɪŋ mˈɛmbɹe͡ɪn] (IPA) 
The nictitating membrane, also known as the third eyelid, is an evolutionary adaptation found in some animals. In addition to protecting the eye, it helps moisten and clean the eye's surface. There are several synonyms for the word nictitating membrane including haw, membrana nictitans, plica semilunaris, and third eyelid. The term haw is commonly used for horses, while membrana nictitans and plica semilunaris are medical terms used across various species. The phrase third eyelid is often used in professional and scientific settings. Whether you're discussing domestic or wild animals, using synonyms for this unique anatomical structure can help increase comprehension and make reading about the fascinating world of animal physiology even more accessible.
