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Rheum from a cat's eyes. Rheum (/ r uː m /; from Greek: ῥεῦμα rheuma 'a flowing, rheum') is a thin mucus naturally discharged from the eyes, nose, or mouth, often during sleep (contrast with mucopurulent discharge). [1] [2] [3] Rheum dries and gathers as a crust in the corners of the eyes or the mouth, on the eyelids, or under the nose. [3]
It is mostly of endodermal origin and is continuous with the skin at body openings such as the eyes, eyelids, ears, inside the nose, inside the mouth, lips, the genital areas, the urethral opening and the anus. Some mucous membranes secrete mucus, a thick protective fluid.
Conjunctivitis, also known as pink eye or Madras eye, [4] [5] is inflammation of the outermost layer of the white part of the eye and the inner surface of the eyelid. [6] It makes the eye appear pink or reddish. [1] Pain, burning, scratchiness, or itchiness may occur. [1] The affected eye may have increased tears or be "stuck shut" in the ...
Mucus is a substance that covers the moist surfaces of your body, like your eyes, nostrils, lungs and gastrointestinal tract, according to the National Institutes of Health (NIH). Mucus has ...
In ophthalmology, mucopurulent discharge from the eyes, and caught in the eyelashes, is a hallmark sign of bacterial conjunctivitis. The normal buildup of tears, mucus, and dirt (compare rheum) that appears at the edge of the eyelids after sleep is not mucopurulent discharge, as it does not contain pus. Vaginal discharge
Mucus fishing syndrome is a rare condition caused by repeated self damage to the conjunctiva. [1] The condition causes excessive mucus production. [2] Patients with this condition make their condition worse by removing mucus from their eyes. [3]
They produce a glycoprotein, mucin that absorbs water to form a sticky secretion called mucus. They are from 12 to 25 mm. long, and about 8 mm. broad, and each opens by three or four ducts on the under surface of the apex. The Weber's glands are an example of muciparous glands located along the tongue.
Types include sympathetic ophthalmia (inflammation of both eyes following trauma to one eye), gonococcal ophthalmia, trachoma or "Egyptian" ophthalmia, ophthalmia neonatorum (a conjunctivitis [3] of the newborn due to either of the two previous pathogens), photophthalmia and actinic conjunctivitis (inflammation resulting from prolonged exposure to ultraviolet rays), and others.