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  2. Openclipart - Wikipedia

    en.wikipedia.org/wiki/Openclipart

    Openclipart, also called Open Clip Art Library, is an online media repository of free-content vector clip art.The project hosts over 160,000 free graphics and has billed itself as "the largest community of artists making the best free original clipart for you to use for absolutely any reason".

  3. File:Tear system.svg - Wikipedia

    en.wikipedia.org/wiki/File:Tear_system.svg

    Gave the eye itself a pink-white colour instead of transparency. Replaced the flap of skin at the tear duct that got accidentally deleted last time. Shifted the iris and pool of tears slightly. 03:10, 21 August 2006: 1,600 × 1,200 (209 KB) Erin Silversmith: Removed photo and made the iris look like the original GIF. 08:11, 20 August 2006: 600 ...

  4. Nictitating membrane - Wikipedia

    en.wikipedia.org/wiki/Nictitating_membrane

    The nictitating membrane of a masked lapwing as it closes over the left eye, originating from the medial canthus. The nictitating membrane (from Latin nictare, to blink) is a transparent or translucent third eyelid present in some animals that can be drawn across the eye from the medial canthus to protect and moisten it while maintaining vision.

  5. Transparency (graphic) - Wikipedia

    en.wikipedia.org/wiki/Transparency_(graphic)

    GIF animation of an Apollonian sphere packing with transparent background. Transparency in computer graphics is possible in a number of file formats.The term "transparency" is used in various ways by different people, but at its simplest there is "full transparency" i.e. something that is completely invisible.

  6. Prince Rupert's drop - Wikipedia

    en.wikipedia.org/wiki/Prince_Rupert's_drop

    Prince Rupert's drops. Prince Rupert's drops (also known as Dutch tears or Batavian tears) [1] [2] are toughened glass beads created by dripping molten glass into cold water, which causes it to solidify into a tadpole-shaped droplet with a long, thin tail.

  7. Teardrop tattoo - Wikipedia

    en.wikipedia.org/wiki/Teardrop_tattoo

    The teardrop tattoo or tear tattoo is a symbolic tattoo of a tear that is placed underneath the eye. The teardrop is one of the most widely recognised prison tattoos [ 1 ] and has various meanings.

  8. Accessory visual structures - Wikipedia

    en.wikipedia.org/wiki/Accessory_visual_structures

    The lacrimal apparatus is the physiological system containing the orbital structures for tear production and drainage. [3] It consists of: The lacrimal gland, which secretes the tears, and its excretory ducts, which convey the fluid to the surface of the human eye; it is a serous gland located in lacrimal fossa. It is a j-shaped gland;

  9. Tears - Wikipedia

    en.wikipedia.org/wiki/Tears

    Tears are a clear liquid secreted by the lacrimal glands (tear gland) found in the eyes of all land mammals. [1] Tears are made up of water, electrolytes, proteins, lipids, and mucins that form layers on the surface of eyes. [2] The different types of tears—basal, reflex, and emotional—vary significantly in composition. [2]