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Dec 24, 2021 · Stigma is a part of the female reproductive structure of the flower. It comprises the pistil, a part of the gynoecium or female reproductive organ of a plant, together with two other structures, the style, and ovary. Stigma is a specially adapted portion of the pistil modified for pollen reception. Stigma Flower.
Among several molecular factors discovered in the past decade, two small, secreted cysteine-rich proteins have been shown to play major roles in pollen tube adhesion and reorientation bioassays: stigma/style cysteine-rich adhesin (SCA, approx. 9·3 kDa) and chemocyanin (approx. 9·8 kDa).
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STIGMATA definition: 1. marks that appear on a person's body in the same places as those made on Jesus' body when he was…. Learn more.
STIGMATA meaning: 1. marks that appear on a person's body in the same places as those made on Jesus' body when he was…. Learn more.
stigmata in British English. (stɪɡˈmɑːtə ) plural noun. Christianity. marks resembling the wounds of the crucified Christ, believed to appear on the bodies of certain individuals. The devotions to the Eucharist by women of the time resulted in a number of appearances of the stigmata.
stigma. 1. The receptive tip of the carpel, which receives pollen at pollination and on which the pollen grain germinates. The stigma is adapted to catch and trap pollen, either by combing pollen off visiting insects or by various hairs, flaps, or sculpturings.
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