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  2. Meibomian gland - Wikipedia

    en.wikipedia.org/wiki/Meibomian_gland

    Meibomian glands (also called tarsal glands, palpebral glands, and tarsoconjunctival glands) are sebaceous glands along the rims of the eyelid inside the tarsal plate. They produce meibum, an oily substance that prevents evaporation of the eye's tear film. Meibum prevents tears from spilling onto the cheek, traps them between the oiled edge and ...

  3. Sebaceous gland - Wikipedia

    en.wikipedia.org/wiki/Sebaceous_gland

    In humans, sebaceous glands occur in the greatest number on the face and scalp, but also on all parts of the skin except the palms of the hands and soles of the feet. In the eyelids, meibomian glands, also called tarsal glands, are a type of sebaceous gland that secrete a special type of sebum into tears.

  4. Tarsus (eyelids) - Wikipedia

    en.wikipedia.org/wiki/Tarsus_(eyelids)

    Along the inner margin of the tarsus are modified sebaceous glands known as tarsal glands (or meibomian glands), aligned vertically within the tarsi: 30 to 40 glands in the upper lid, and 20 to 30 in the lower lid, which secrete a lipid-rich product which helps keep the lacrimal secretions or tears from evaporating too quickly, thus keeping the ...

  5. Tears - Wikipedia

    en.wikipedia.org/wiki/Tears

    Meibomian glands (or tarsal glands) Coats the aqueous layer, provides a hydrophobic barrier that envelops tears and prevents their spilling onto the cheek. These glands are located among the tarsal plates, and thus deposit the tear fluid between the eye proper and the oil barriers of the lids. [2] Aqueous layer

  6. Scent gland - Wikipedia

    en.wikipedia.org/wiki/Scent_gland

    The tarsal glands have a tuft of hair which is specially adapted to extract certain chemical compounds from the animal's urine. For example, in the black-tailed deer (Odocoileus hemionus columbianus), the major constituent of the tarsal gland secretion is a lipid, (Z)-6-dodecen-4-olide. This compound does not originate in the tarsal gland ...

  7. What's up, Doc? Tarsal bone coalition is due to abnormal ...

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  8. The Most Incompatible Zodiac Signs That Should Never, Ever ...

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    Olena Ruban/Getty Images. 4. Incompatible: Taurus and Aquarius. The zodiac’s bull is stable and predictable, especially in matters of the heart.That can spell romance and reliability for some ...

  9. Eyelid - Wikipedia

    en.wikipedia.org/wiki/Eyelid

    The eyelid is made up of several layers; from superficial to deep, these are: skin, subcutaneous tissue, orbicularis oculi, orbital septum and tarsal plates, and palpebral conjunctiva. The meibomian glands lie within the eyelid and secrete the lipid part of the tear film.