spot (redirected from 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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spot (spt)

n.

1. A mark on a surface differing sharply in color from its surroundings.

2. A stain or blot.

v.

To lose a slight amount of blood through the vagina.

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spot,

n a small circular area.

spot, café-au-lait,

n a group of brown-pigmented areas of the skin occurring particularly in neurofibromatosis.

spot, effective focal,

n (prolonged focus), the apparent size and shape of the focal spot when viewed from a position in the useful beam. With the use of a suitably inclined anode face, the area from which the useful beam stems is sharply concentrated, if seen from the perspective of the useful beam. See also line, focus.

spot, focal,

n the specific area of the face of the anode or target that is bombarded by the focused electron stream when a radiographic tube is in action. It is usually an insert of tungsten.

spot, Fordyce's,

n.pr See Fordyce granules.

spot, Koplik's,

n.pr an oral lesion of measles (rubeola); usually occurs on the buccal mucosa opposite the molar teeth as small white or bluish-white spots surrounded by red zones.

spot, pink,

n See resorption, internal.

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spot

a small, roundish part of a surface which differs from the surrounding surface.

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spot disease

of turtles. See shell rot.

spot map

a map with dots on it. Each dot marks where a case or some other incident of epidemiological interest occurred.

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spot Gynecology See Spotting Vox populi A small lesion, usually on the skin. See Age spot, Bald spot, Black spot, Blind spot, Cafe-au-lait spot, Horder spot, Hot spot, Liver spot, Milk spot, Mongolian spot, Oak leaf spot, Powder burn spot, Rose spot, Strawberry spot, White spot.