• word of the day

    nictitating membrane

    nictitating membrane - Dictionary definition and meaning for word nictitating membrane

    Definition
    (noun) a protective fold of skin in the eyes of reptiles and birds and some mammals
    Synonyms : third eyelid

Word used in video below:
text: So while an animal cell has a membrane,
Download our Mobile App Today
Receive our word of the day
on Whatsapp