stigma

stigma
1. Visible evidence of a disease. 2. SYN: follicular s.. 3. Any spot or blemish on the skin. 4. A bleeding spot on the skin, which is considered a manifestation of conversion hysteria. 5. The orange-pigmented eyespot of certain chlorophyll-bearing protozoa, such as Euglena viridis, which serves as a light filter by absorbing certain wavelengths. 6. A mark of shame or discredit. [G. a mark. fr. stizo, to prick]
- follicular s. the point where the graafian follicle is about to rupture on the surface of the ovary. SYN: macula pellucida, s. (2).
- malpighian stigmas the points of entrance of the smaller veins into the larger veins of the spleen.
- s. ventriculi one of a number of miliary ecchymoses of the gastric mucosa.

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stig·ma 'stig-mə n, pl stig·ma·ta stig-'mät-ə, 'stig-mət-ə or stigmas
1) an identifying mark or characteristic specif a specific diagnostic sign of a disease <the stigmata of syphilis>
2) PETECHIA
3) a small spot, scar, or opening on a plant or animal

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n. (pl. stigmata)
1. a mark that characterizes a particular disease, such as the café au lait spots characteristic of neurofibromatosis.
2. any spot or lesion on the skin.

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stig·ma (stigґmə) pl. stigmas, stigґmata [Gr. “mark”] 1. any mental or physical mark or peculiarity that aids in the identification or in the diagnosis of a condition. 2. a mark, spot, or pore on the surface of an organ or organism. 3. follicular s. 4. in botany, the uppermost part of a pistil, which secretes a moist, sticky substance to trap and hold the pollen that reaches it. 5. an eyespot of chromatophore-bearing protozoa, such as certain euglenoids, comprising a dark pigmented mass that functions in light detection by shielding the photoreceptor cells from specific wavelengths. 6. a distinguishing personal trait that is perceived as or actually is physically, socially, or psychologically disadvantageous. 7. (in the pl.) gill slits around the pharynx in urochordates, through which pass respiratory and feeding currents. 8. (in the pl.) purpuric or hemorrhagic lesions of the hands and/or feet, which resemble crucifixion wounds.

Medical dictionary. 2011.

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Synonyms:
(made with a hot iron), / , , , , , , , , , ,


Look at other dictionaries:

  • Stigma — (plural: stigmata) may refer to:In biology:* Stigma (anatomy), a small spot, mark, scar, or minute hole * In a flower , the stigma is the terminal portion of the gynoecium that has no epidermis and is meant to receive pollen. * The eyespot… …   Wikipedia

  • stigmă — STÍGMĂ, stigme, sf. (biol.) Organit fotosensibil al flagelatelor, în formă de pată roşie lângă corpusculul bazal, care serveşte la orientarea (orienta) animalului spre lumina cea mai potrivită. – Din lat., fr. stigma. Trimis de claudia,… …   Dicționar Român

  • Stigma — Sn Mal, entehrendes Kennzeichen per. Wortschatz fach. (17. Jh.) Entlehnung. Entlehnt aus gr. stígma, eigentlich Stich, Punkt , zu gr. stízein stechen, einstechen . Verb: stigmatisieren.    Ebenso nndl. stigma, ne. stigma, nfrz. stigmate, nschw.… …   Etymologisches Wörterbuch der deutschen sprache

  • stigma — stigma, brand, blot, stain can denote a mark of shame left on a name, reputation, or character. Stigma, though often implying dishonor or public shame, usually applies to a mark or a charge or judgment that is fastened upon a person or thing or… …   New Dictionary of Synonyms

  • Stigma — Stig ma, n.; pl. E. {Stigmas}, L. {Stigmata}. [L., a mark, a brand, from Gr. ?, ?, the prick or mark of a pointed instrument, a spot, mark, from ? to prick, to brand. See {Stick}, v. t.] 1. A mark made with a burning iron; a brand. [1913 Webster] …   The Collaborative International Dictionary of English

  • stigma — ● stigma nom masculin (grec stigma, piqûre) Corpuscule imprégné de carotène situé à la base du flagelle chez certains protistes, probablement sensible à la lumière. stigma [stigma] n. m. ÉTYM. 1964; mot grec, « piqûre ». ❖ ♦ Biol. Élément… …   Encyclopédie Universelle

  • stigma — / stigma/ (o stimma) s.m. [dal lat. stigma ătis marchio, macchia, punto, puntura , gr. stígma atos ] (pl. i ). 1. (zool.) [ciascuna delle aperture laterali del corpo degli insetti, mediante le quali avviene la respirazione] ▶◀ spiracolo. 2. a.… …   Enciclopedia Italiana

  • Stigma — statusas T sritis fizika atitikmenys: angl. eve spot; stigma vok. Augenfleck, m; Stigma, m rus. стигма, f pranc. stigma, m; tache colorée, f …   Fizikos terminų žodynas

  • stigma — statusas T sritis fizika atitikmenys: angl. eve spot; stigma vok. Augenfleck, m; Stigma, m rus. стигма, f pranc. stigma, m; tache colorée, f …   Fizikos terminų žodynas

  • stigma — 1590s, mark made on skin by burning with a hot iron, from L. stigma (pl. stigmata), from Gk. stigma (gen. stigmatos) mark, puncture, especially one made by a pointed instrument, from root of stizein to mark, tattoo, from PIE *st(e)ig (see STICK… …   Etymology dictionary

  • stigma — stȉgma ž <G mn stȋgmā> DEFINICIJA 1. pov. a. žig utisnut užarenim željezom na tijelo roba ili zločinca b. pren. znak sramote i beščašća 2. term. neka upadljiva anatomska ili fiziološka pojedinost 3. bot. dio cvijeta: njuška tučka što… …   Hrvatski jezični portal

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