(n.) That part of the stamen containing the pollen, or fertilizing dust, which, when mature, is emitted for the impregnation of the ovary.
Example Sentences:
(1) The spatial distribution of transcripts in the anther wall was confined to that region of the anther that surrounds the locule.
(2) Two hundred and twenty-six patients were scratch tested over a 10-month period with the pollen and anthers of six common hay fever plants.
(3) Houston bring on Weaver for Bruin (who has cut a rather lonely figure up front, all alone) 3.38am GMT 72 mins SKC win anther corner and Zusi puts it into the right area but again it's met by a Houston head.
(4) mRNA levels for these cDNA clones were markedly reduced in the anthers of several independent male-sterile mutants of tomato.
(5) Particulate fractions from mature rape anther tissue catalysed the incorporation of glucose from UDPglucose into endogenous lipids.
(6) In the blind mutant, whose flower limbs are transformed into antheroid structures on top of normal tubes, identical expression levels of both genes were observed in the antheroid structures as in normal anthers.
(7) The tissue localization of transcripts corresponding to five anther-specific cDNA clones isolated from tomato was determined.
(8) Rice (Oryza sativa L., 2n=24) anthers containing microspores in the early-uninucleate to first-mitosis stages were induced successfully to develop into plants in vitro through an intermediary step of callus formation.
(9) We traced the patterns of cell division during maize anther development by inducing sector boundaries that preceded the earliest events of anther initiation.
(10) Furthermore, the absence of immunoreactive CHI was demonstrated in a mutant of P. hybrida (genotype popo) which accumulates 2',4,4',6'-tetrahydroxy-chalcone in anthers as a consequence of lack of enzyme activity.
(11) The strong correlation between cell lineage and cell fate in the maize anther has implications for studies on plant evolution and the genetic improvement of cereals by DNA transformation.
(12) A total of 19 independent cDNAs have been isolated by differential screening whose temporal expression patterns overlap and which together cover the stages of anther development from pre-meiotic microsporocytes to tri-nucleate pollen grains.
(13) In anthers, expression was detected at an earlier stage of flower development with GUS activity restricted to the tapetal cell layer.
(14) With both constructs, the appearance of GUS activity in developing anthers was correlated with the onset of microspore mitosis and increased progressively until anthesis (pollen shed).
(15) This promoter construct was subsequently used to drive an antisense chs gene in transgenic petunia, which led to the inhibition of pigment synthesis in anthers of five of 35 transformants.
(16) Ultra-thin sections of vegetative tissues from birch (anthers and leaves) were labeled for pollen antigens and allergens using a commercial rabbit IgG antibody preparation directed against birch pollen antigens and allergens.
(17) At flower maturity, transcripts specified by each of the cDNAs were also detected in the epidermal and endothecial cell layers of the anther wall.
(18) In petunia, the gene Po regulates the expression of CHI in anthers: PoPo petunia lines contain CHI enzyme activity in petals and anthers, whereas popo lines contain the CHI enzyme only in petals but not in anthers.
(19) In flowers, expression was observed in sepals, anthers, and carpels, but not in petals.
(20) Transgenic plants with white anthers were male sterile due to an arrest in male gametophyte development.
Stigma
Definition:
(v. t.) A mark made with a burning iron; a brand.
(v. t.) Any mark of infamy or disgrace; sign of moral blemish; stain or reproach caused by dishonorable conduct; reproachful characterization.
(v. t.) That part of a pistil which has no epidermis, and is fitted to receive the pollen. It is usually the terminal portion, and is commonly somewhat glutinous or viscid. See Illust. of Stamen and of Flower.
(v. t.) A small spot, mark, scar, or a minute hole; -- applied especially to a spot on the outer surface of a Graafian follicle, and to spots of intercellular substance in scaly epithelium, or to minute holes in such spots.
(v. t.) A red speck upon the skin, produced either by the extravasation of blood, as in the bloody sweat characteristic of certain varieties of religious ecstasy, or by capillary congestion, as in the case of drunkards.
(v. t.) One of the external openings of the tracheae of insects, myriapods, and other arthropods; a spiracle.
(v. t.) One of the apertures of the pulmonary sacs of arachnids. See Illust. of Scorpion.
(v. t.) One of the apertures of the gill of an ascidian, and of Amphioxus.
(v. t.) A point so connected by any law whatever with another point, called an index, that as the index moves in any manner in a plane the first point or stigma moves in a determinate way in the same plane.
(v. t.) Marks believed to have been supernaturally impressed upon the bodies of certain persons in imitation of the wounds on the crucified body of Christ. See def. 5, above.
Example Sentences:
(1) Health information dissemination is severely complicated by the widespread stigma associated with digestive topics, manifested in the American public's general discomfort in communicating with others about digestive health.
(2) It is likely that many of the girls end up working in brothels, but due to the stigma of being a sex worker they will usually report they were forced into marriage.
(3) To feel like a useful human being without any stigma attached, without undue fears and pressures but with a sense of being needed and wanted, that is what life is all about.
(4) Prince Harry and the Duke and Duchess of Cambridge have enlisted a rapper, a Royal Marine and a Labour spin doctor to try to push stigma about discussing mental health beyond what they believe is a “tipping point” and into public acceptability.
(5) This stigma remains to the present and was observed to exist even among service providers: Low knowledge levels of patients on the causes of the disease on the one hand, and service providers on the cure, particularly on the use of Multiple Drug Therapy.
(6) The failure of this effort, along with the stigma against psychiatry has led to poor treatment of disturbed patients by primary care physicians.
(7) The stigma of having no brothers or sisters meant that any acting up was immediately dismissed with a caustic, “Well, he is an only child.” The subtext was that my parents had doted on me excessively, inflating my sense of importance.
(8) Patients react to the physical realities of the disease while experiencing the stigma and fear which society imposes on AIDS.
(9) She also warned over increasing stigma being shown toward Gypsies, Travellers and Roma struggling to find accommodation.
(10) Commonly there is a desire by girl learners to continue their education , especially their formal education, despite their pregnancy even when the barriers to returning to school imposed by their families or schools and social stigmas may not easily permit it.
(11) This article focuses on the management of stigma by methadone maintenance patients.
(12) The patients may find that a psychiatric diagnostic label is a stigma and has bad consequences.
(13) You take one aspect of someone or some group's behaviour and jump to far-reaching conclusions as to their mental state and inflict an unwarranted stigma upon them.
(14) Factor analysis yielded four indices: a) impact of disease (e.g., being a burden, loss of energy, loss of bowel control); b) sexual intimacy; c) complications of disease (e.g., developing cancer, having surgery, dying early); and d) body stigma (e.g., feeling dirty or smelly).
(15) The UCI should also pay more attention to medical issues in cycling and when Therapeutic Use Exemptions should be granted Words of warning Sanctioned riders should be used ‘as an educational tool’ to inform their peers about the dangers of doping through interviews, appearances, lectures and recorded messages pointing out the impact of doping on their lives, ‘the social stigma, financial impact, health effects and self-esteem issues’ Voice of the union The UCI should ‘facilitate the creation of a strong riders’ union … to give riders a collective voice particularly on issues of ownership, revenue sharing, the racing calendar and anti-doping.
(16) In essence, criminalisation leads to stigma, and stigma leads to harassment."
(17) The sequence is reported of a cDNA molecule homologous to an mRNA from stigma tissue of Brassica oleracea plants homozygous for the S5 self-incompatibility allele.
(18) It was really only when William Styron published Darkness Visible in 1990 that depression entered mainstream social discourse and began to lose its stigma (even growing into a badge of honour for a while).
(19) As part of UNAids’ Protect the Goal campaign to raise awareness of HIV and Aids during the World Cup in Rio, we explored whether tweets could be used to measure HIV-related stigma.
(20) Encopresis afflicts one in 100 children causing considerable stigma and parental concern.