stigma (redirected from follicular stigma)

stigma: see pistil.

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stigma

1. a small scar or mark such as a birthmark

2. Pathol

a. any mark on the skin, such as one characteristic of a specific disease

b. any sign of a mental deficiency or emotional upset

3. Botany the receptive surface of a carpel, where deposited pollen germinates

4. Zoology

a. a pigmented eyespot in some protozoans and other invertebrates

b. the spiracle of an insect

5. Archaic a mark branded on the skin

6. Christianity marks resembling the wounds of the crucified Christ, believed to appear on the bodies of certain individuals

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stigma [′stig·mə]

(botany)

The rough or sticky apical surface of the pistil for reception of the pollen.

(invertebrate zoology)

The eyespot of certain protozoans, such asEuglena.

The spiracle of an insect or arthropod.

A colored spot on many lepidopteran wings.

(mechanics)

A unit of length used mainly in nuclear measurements, equal to 10^-12meter. Also known as bicron.

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Stigma

mark of Cain

God’s mark on Cain, a sign of his shame for fratricide. [O. T.: Genesis 4:15]

scarlet letter

the letter “A” for “adultery” sewn on Hester Prynne’s garments. [Am. Lit.: Hawthorne The Scarlet Letter]