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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 .
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 ...
Specialized glands within the human integumentary system # Name Precursor gland derived from [3] Anatomic location 1 Ceruminous gland: Apocrine: Ear canal: 2 Mammary gland: Apocrine: Breast 3 Moll's gland: Apocrine: Eyelid margin 4 Tyson's gland: Sebaceous: Genital skin 5 Meibomian gland: Sebaceous: Tarsal plate: 6 Gland of Zeis: Sebaceous
Functions Lipid layer Oils: 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
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.
Tarsal may refer to: Tarsal artery (disambiguation) Tarsal bone; Tarsal glands; tarsus (skeleton) (skeleton) tarsus (eyelids) (eye) superior tarsal muscle (eye) See ...
Ciaccio's glands or Wolfring's glands are small tubular accessory lacrimal glands (glandulae lacrimales accessoriae) found in the lacrimal caruncle of the eyelid. These accessory lacrimal glands are located in the upper border of the tarsus , approximately in the middle between the extremities of the tarsal glands . [ 1 ]
The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism, the environment in which it lives and its evolutionary ...