Bitot's spots

spot (spot) a circumscribed area; a small blemish; a macula.

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Bitot's spots  foamy gray, triangular spots of keratinized epithelium on the conjunctiva, associated with vitamin A deficiency.

blind spot 

1. optic disk.

2. mental scotoma.

café au lait spots  macules of a distinctive light brown color, such as occur in neurofibromatosis and Albright's syndrome.

cherry-red spot  the choroid appearing as a red circular area surrounded by gray-white retina, as viewed through the fovea centralis in Tay-Sachs disease.

cold spot  see temperature s's.

cotton-wool spots  white or gray soft-edged opacities in the retina, seen in hypertensive retinopathy, lupus erythematosus, and other conditions.

Forschheimer spots  a fleeting exanthem consisting of discrete rose spots on the soft palate sometimes seen in rubella just prior to the onset of the skin rash.

germinal spot  the nucleolus of an oocyte.

hot spot 

1. see temperature s's.

2. the sensitive area of a neuroma.

3. an area of increased density on an x-ray or thermographic film.

Koplik's spots  irregular, bright red spots on the buccal and lingual mucosa, with tiny bluish-white specks in the center of each; seen in the prodromal stage of measles.

liver spot 

1. a lay term for any of the brownish spots on the face, neck, or backs of the hands in many older people.

2. (pl.) tinea versicolor.

Mariotte's spot  optic disk.

milky spots  aggregations of macrophages in the subserous connective tissue of the pleura and peritoneum.

mongolian spot  a smooth, brown to grayish blue nevus, consisting of an excess of melanocytes, typically found at birth in the sacral region in Asians and dark-skinned races; it usually disappears during childhood.

pain spots  spots on the skin where alone the sense of pain can be produced by a stimulus.

rose spots  an eruption of rose-colored spots on the abdomen and thighs during the first seven days of typhoid fever.

Roth's spots  round or oval white spots sometimes seen in the retina early in the course of subacute bacterial endocarditis.

Soemmering's spot  macula lutea.

Tardieu's spots  spots of ecchymosis under the pleura after death by suffocation.

temperature spots  spots on the skin normally anesthetic to pain and pressure but sensitive respectively to heat and cold.

yellow spot  macula retinae.

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Bi·tot's spots (b-tz)

pl.n.

Small grayish foamy triangular deposits on the conjunctiva adjacent to the cornea in the area of the palpebral fissure, associated with vitamin A deficiency.

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Bitot's spots

Bitot's spots are superficial, foamy gray, triangular spots on the white of the eyeball.

Mentioned in: Vitamin A Deficiency

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Bitot's spots

[bitōz′]

Etymology: Pierre Bitot, French surgeon, 1822-1888

white or gray triangular deposits on the bulbar conjunctiva adjacent to the lateral margin of the cornea, a clinical sign of vitamin A deficiency. Also called Bitot's patches.