macule


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macule

 [mak´ūl]
a macula.

mac·u·la

, pl.

mac·u·lae

(mak'yū-lă, -ū-lē),
1. A circumscribed flat area, up to 1 cm in diameter, differing perceptibly in color from the surrounding tissue.
See also: spot.
See also: neuroepithelium of macula.
2. A small discolored patch or spot on the skin, neither elevated above nor depressed below the skin's surface.
See also: spot.
See also: neuroepithelium of macula.
3. The neuroepithelial sensory receptors of the utricle and saccule of the vestibular labyrinth collectively.
See also: neuroepithelium of macula. Synonym(s): maculae utriculosaccularis [TA]
Synonym(s): macule, spot (1)
[L. a spot]

macule

(măk′yo͞ol′)
n.
A discolored spot or area on the skin that is not elevated above the surface and is characteristic of certain conditions, such as smallpox, purpura, or roseola. Also called macula.

macule

A small, flat, coloured spot, usually understood to mean on a surface, in particular of the skin or mucosal surface.

macule

Medtalk A small flat colored spot. See Coal dust macule.

mac·u·la

, pl. maculae (mak'yū-lă, -lē)
1. A small spot, perceptibly different in color from the surrounding tissue.
2. A small, discolored patch or spot on the skin, neither elevated above nor depressed below the skin's surface.
3. In ocular anatomy, indicates that portion of the retina located within the major vascular arcades, temporal to the optic nerve.
Synonym(s): macule, spot (1) .
[L. a spot]

Macule

A flat, discolored area on the skin.
References in periodicals archive ?
Also, a classifier was designed in order to identify each macule by means of building an artificial neural network and the feature vectors that characterize each of them.
Most frequently seen in the hard palate, where it appears as a brown to black macule with irregular borders (21).
Ventral hindwing duller black than on dorsum; submarginal pale blue band similar to that on dorsum paralleled distad by much narrower pale blue line from Rs to [CuA.sub.2], vague rectangular pale blue macule in Sc+[R.sub.1]-Rs between the two; similar macule (more prominent on paratype) in Sc+[R.sub.1]-Rs just proximad of submarginal band with a vague narrow blue line overlapping both in costal cell; medial band less well-defined than on dorsum, prominent only in [CuA.sub.2]-2A and only a few pale blue scales cephalad (better defined on paratype); postbasal band vague throughout (better defined on paratype).
Natural infestation gave rise to macules frequently associated with the comet sign.
Vitiligo is a common, acquired, primary melanocytopenia of unknown aetiology, clinically characterised by well-defined milky white depigmented macules with variable achromotrichia without any change in texture and histologically by degeneration and disappearance of melanocytes in the involved skin, not infrequently in pigment epithelium of the eyes, leptomeninges and inner ear.
Dermatological examination revealed grayish, hyperpigmented, excoriated macules and plaques on the back and occipital region, and mild hyperpigmentation on the upper chest.
The skin where the specimens were taken were: diffuse infiltration 29, dysesthesia, anhidrosis and alopecia) 7, atrophic skin with dysesthesia, anhidrosis and alopecia 6, hypocromic macule 1, erythematous macule 2, no information 10.
Depigmented macules are rectangular, rhomboid, or irregular in shape and usually have a symmetrical distribution.
Indeterminate type with hypopigmented macule and well-defined edges associated with slight sensory loss accounted for 7 cases (17.5%).
Cutaneous lesions presented in different stages--from erythematous macules and solitary papules, to rare vesicles, erosions, and crusts--and they varied in size and color.
* Cafe-au-lait macules can manifest as isolated areas of discoloration.
Physical examination revealed streaks and whorls of hyperpigmented macules along the lines of Blaschko, located on the trunk and limbs [Figure 1].