Lacrimal caruncle
Lacrimal Caruncle
The Lacrimal Caruncle (pronunciation: /ˈlækrɪməl ˈkɑːrʌŋkl/), also known as the Caruncula Lacrimalis, is a small, pink, globular nodule at the inner corner of the eye. It is made up of skin covering sebaceous and sweat glands.
Etymology
The term "Lacrimal Caruncle" is derived from the Latin words "lacrima" meaning "tear" and "caruncula" meaning "small piece of flesh".
Anatomy
The Lacrimal Caruncle is located in the medial canthus of the eye, the corner nearest to the nose. It is part of the Lacrimal Apparatus, which is responsible for the production and drainage of tears. The caruncle contains modified sebaceous and sweat glands, and is the source of the whitish secretion known as sleep or rheum that can accumulate in the inner corner of the eye.
Related Terms
- Lacrimal Apparatus: The physiological system containing the orbital structures for tear production and drainage.
- Medial Canthus: The inner corner of the eye where the upper and lower eyelids meet, closest to the nose.
- Sebaceous Glands: Small oil-producing glands present in the skin of mammals.
- Sweat Glands: The small tubular structures situated within and under the skin that secrete sweat.
See Also
External links
- Medical encyclopedia article on Lacrimal caruncle
- Wikipedia's article - Lacrimal caruncle
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