Search results
The stigma (pl.: stigmas or stigmata) [1] is the receptive tip of a carpel, or of several fused carpels, in the gynoecium of a flower. Description. Stigma of a Tulipa species, with pollen. Closeup of stigma surrounded by stamens of Lilium 'Stargazer')
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.
Aug 13, 2020 · By stigma, we mean the process by which some people become morally discredited, socially devalued, and disempowered on the basis of disease diagnosis or other trait. The most powerful stigmas in the past and now are around diseases considered contagious, potentially deadly, and without a known cure—which describes COVID-19 currently.
- Alexandra Brewis, Amber Wutich, Pardis Mahdavi
- 2020
Dec 6, 2017 · Stigmatized or socially conferred marks induce stress and exclusion through processes we define later as enacted, felt, internalized, and anticipated stigma. These forms of stigma elicit affective, cognitive, behavioral, and physiological responses that together cascade to influence health.
Oct 17, 2024 · 1 The glandular sticky surface at the tip of a carpel of a flower, which receives the pollen. In insect-pollinated plants the stigmas are held within the flower, whereas in wind-pollinated species they hang outside it. 2 See eyespot. From: stigma in A Dictionary of Biology ».
Definition. The stigma is the part of the female reproductive structure of flowering plants where pollen grains land and germinate. It plays a critical role in reproduction by receiving pollen during pollination, which is essential for fertilization and the development of seeds.
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. The stigmas of certain plants show haptotropic movements.
