TEAR, DRAWING
The lacrimal system secretes and excretes tears. Two lacrimal glands secrete tears. The first gland responds to irritation or vivid emotion, producing a reflex production of tears. The second gland produces a protective lacrimal film bathing the cornea. Tears are excreted via two orifices in the medial border of the eyelids. These orifices open into small ducts which guide the tears into a lacrimal sac situated in the medial angle of the eye and connected to the nasal cavity.
Size: 2512px × 3734px
Photo credit: © ESTIOT / BSIP / Alamy / Afripics
License: Licensed
Model Released: No
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