from The Century Dictionary and Cyclopedia

  • n. The winker; the third eyelid or nictitating membrane of many animals: more fully called membrana nictitans.


Sorry, no etymologies found.


  • Putty-nosed monkeys Cercopithecus nictitans in West Africa use two main sounds—pyows and hacks—to warn each other about predators.


  • De Brazza's monkey Cercopithecus neglectus, greater white-nosed monkey Cercopithecus nictitans and bush pig Potamochoerus porcus have been discovered here since 1980, and Buchanan has also recorded rock hyrax Procavia ruficeps more than 200 km west of the nearest known population.

    Manovo-Gounda-St Floris National Park, Central African Republic

  • SYMPTOMS: Conjunctivitis and inflammation of the membranes of nictitans are very much the same.

    The Veterinarian

  • Anteriorly it is protected by the _eyelids_, and in birds by a third eyelid that corresponds to the membrana nictitans of quadrupeds.

    Common Diseases of Farm Animals

  • I took a stuffed snake into the monkey-house, and the hair on several of the species instantly became erect; especially on their tails, as I particularly noticed with the Cereopithecus nictitans.

    The expression of the emotions in man and animals

  • Cartilago nictitans, or winking cartilage (the haw), description, 276

    Special Report on Diseases of the Horse

  • The first symptoms which attract the attention of the owner is difficulty in chewing and swallowing, an extension of the head and protrusion over the inner part of the eye of the membrana nictitans, or haw.

    Special Report on Diseases of the Horse

  • The apparent squinting of the eye in distemper is caused by the probably unequal protrusion of the membrana nictitans over a portion of the eye at the inner canthus, in order to protect it from the light.

    The Dog

  • see also revenge putty-nosed monkeys Cercopithecus nictitans, 180


  • This condition does not last for more than a few days, when the animal is again observed to present a dull and dejected appearance, and on examination well-marked symptoms are found; the skin is hot, the temperature more or less elevated -- 101. 7° to 104° F.; the pulse full and frequent -- 56 to 64 beats a minute; the visible mucous membranes may appear clean, but the conjunctival membranes, especially those covering the membrana nictitans, are usually the seat of dark-red patches of ecchymosis, varying in size in different animals.

    Special Report on Diseases of the Horse


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