(n.) A genus of herbs with compound white or bluish flowers; starwort; Michaelmas daisy.
(n.) A plant of the genus Callistephus. Many varieties (called China asters, German asters, etc.) are cultivated for their handsome compound flowers.
Example Sentences:
(1) Microscopic examinations of eggs stained with aceto-orcein or the DNA fluorochrome bisbenzimide and direct observations on isolated sperm aster complexes show that halothane induces polyspermy (multiple sperm entry) when present at fertilization.
(2) Second, the bulk of the vegetally located myoplasm moves with the sperm aster towards the future posterior pole, but interestingly about 20% remains behind at the anterior side of the embryo.
(3) The CTR2611 antigen is present in the center of each of these asters.
(4) Cytoplasmic asters were observed at all doses tested.
(5) RNase alters the in vitro assembly of spindle asters in homogenates of meiotically dividing surf clam (Spisula solidissima) oocytes.
(6) ASTER is an integration of the ACQUIRE (AQUatic toxicity Information REtrieval system) and QSAR (Quantitative Structure Activity Relationships) systems.
(7) The data indicate that meiotic spindle assembly is dependent on ongoing protein synthesis in the cumulus-enclosed hamster oocyte; in contrast, chromatin condensation and aster formation are not as sensitive to protein synthesis inhibitors during meiotic resumption.
(8) The eggs of the surf clam Spisula solidissima were artificially activated, homogenized at various times in cold 0.5 M MES buffer, 1mM EGTA at pH 6.5, and microtubule polymerization was induced by raising the temperature to 28 degrees C. In homogenates of unactivated eggs few microtubules form and no asters are observed.
(9) 101:289-316) used computer simulations to show that long-range signals from the asters, varying inversely as various powers of distance, produce summed effects that are minima at the equator of spherical cells.
(10) Microinjection of SPN-3 antibody into taxol-treated mitotic PtK2 cells causes disruption of the asters as judged by tubulin staining of the same cells.
(11) Furthermore, numerous cytoplasmic asters become visible in the cytoplasm.
(12) This is accompanied by the apparent shortening of the microtubules running between the asters.
(13) Mesomere-mesomeres (which divide equally) and macromere-micromeres (which divide unequally) are compared in terms of their asters (both mitotic and so-called interphase asters), spindle apparatus, and contractile ring.
(14) Within 15 min after incubation in D2O, numerous fine centrosomal foci are detected, and they organize a connected network of numerous asters which fill the entire egg.
(15) In the normal two-celled embryos of various pulmonate molluscs, the orientation of spindles characteristic of metaanaphase is being frequently established gradually, in the process of transition from pro- to metaphase accompained by the growth of spindle and asters.
(16) Colcemid-treated prometaphase cells lysed into polymerization-competent tubulin develop large asters in the region of the centrioles and short tubules at kinetochores, making it unlikely that all microtubule formation in lysed cell preparations is dependent on tubulin addition to short tubule fragments.
(17) They located in euchromatin regions of thymus lymphocytes, with a characteristic aster-like immunofluorescence pattern, and on the border of condensed chromatin areas by deposition of immunogold particles in ultrathin sections of thymus.
(18) We conclude first, that centrioles contain RNA which is required for initiation of aster formation, and second, that the centriole activity or ability to assemble a mitotic aster is separable from the basal body activity, or ability to serve directly as a template for microtubule growth.
(19) When injected into fertilized eggs at streak stage, the tubulin was quickly incorporated into each central region of growing asters.
(20) The asters then divide to form a transient tetrapolar figure.
Flower
Definition:
(n.) In the popular sense, the bloom or blossom of a plant; the showy portion, usually of a different color, shape, and texture from the foliage.
(n.) That part of a plant destined to produce seed, and hence including one or both of the sexual organs; an organ or combination of the organs of reproduction, whether inclosed by a circle of foliar parts or not. A complete flower consists of two essential parts, the stamens and the pistil, and two floral envelopes, the corolla and callyx. In mosses the flowers consist of a few special leaves surrounding or subtending organs called archegonia. See Blossom, and Corolla.
(n.) The fairest, freshest, and choicest part of anything; as, the flower of an army, or of a family; the state or time of freshness and bloom; as, the flower of life, that is, youth.
(n.) Grain pulverized; meal; flour.
(n.) A substance in the form of a powder, especially when condensed from sublimation; as, the flowers of sulphur.
(n.) A figure of speech; an ornament of style.
(n.) Ornamental type used chiefly for borders around pages, cards, etc.
(n.) Menstrual discharges.
(v. i.) To blossom; to bloom; to expand the petals, as a plant; to produce flowers; as, this plant flowers in June.
(v. i.) To come into the finest or fairest condition.
(v. i.) To froth; to ferment gently, as new beer.
(v. i.) To come off as flowers by sublimation.
(v. t.) To embellish with flowers; to adorn with imitated flowers; as, flowered silk.
Example Sentences:
(1) Urban hives boom could be 'bad for bees' What happened: Two professors from a University of Sussex laboratory are urging wannabe-urban beekeepers to consider planting more flowers instead of taking up the increasingly popular hobby.
(2) A case is presented of deliberate chewing of the flowers of henbane (Hyoscyamus niger) in the hope of producing euphoria, and an account is given of the poisoning so produced.
(3) Malvidin chloride (MC) a colouring agent from flowers of Malvaviscus conzattii Greenum was studied for male anti-fertility effects in adult langur monkeys (Presbytis entellus entellus Dufresne).
(4) At Wembley England fielded: Springett; Armfield, McNeil; Robson, Swan, Flowers; Douglas, Greaves, Smith, Haynes, Charlton.
(5) I believe Flower when he promises he would not repeat his mistake.
(6) In these tissues, the viral DNA replicated at the site of inoculation and was transported first to the roots, then to the shoot apex and to the neighboring leaves and the flowers.
(7) I salute you.” So clear-fall logging and burning of the tallest flowering forests on the planet, with provision for the dynamiting of trees over 80 metres tall, is an ultimate good in Abbott’s book of ecological wisdom.
(8) "They were the real flowers in the show - boys who I picked up in the park because they looked right."
(9) Parietaria judaica (Pellitory-of-the-Wall) is native to the U.K., flowering from June to September, but is not usually considered to be of any clinical importance by U.K. allergists.
(10) New management at Lifeline changed the expenses policy to make it legally compliant and asked Flowers to pay the money back.
(11) These are collected in her pollen baskets which she takes back to the nest to feed the young after fertilising the flowers.
(12) Angela Merkel , who turns 60 on Thursday, thanked a German reporter who sang the traditional birthday song at a news conference in Brussels, and revealed that other leaders had given her flowers.
(13) Frahm witnessed how every morning Weiwei puts a flower into the basket of a bicycle just outside his studio, which he will continue until he is free again to ride it out through the gates.
(14) It is that rare flower, a positive environmental story.
(15) Jane Baxter's stuffed courgette flowers Stuffed courgette flowers Photograph: Rob White You can't get much more summery than courgette flowers – Jane Baxter's take on these light crispy fried delights (use a vegetarian parmesan-style cheese ).
(16) This study documents a previously unrecognized potential source of occupational pesticide exposure and suggests that safety standards should be set for residue levels on cut flowers.
(17) We suggest that both vertical transmission of Ty1-copia group retrotransposons within plant lineages and horizontal transmission between different species have played roles in the evolution of Ty1-copia group retrotransposons in flowering plants.
(18) I cracked a few jokes because I thought we had been through such a terrible event we need to laugh.” Facebook Twitter Pinterest A man lays flowers outside the synagogue in Copenhagen after two deadly shootings.
(19) The carcinogenic activity of petasitenine, a new pyrrolizidine alkaloid isolated from young flower stalk of Petasites japonicus, was studied in ACI rats.
(20) In both experiments, videotapes of model monkeys behaving fearfully were spliced so that it appeared that the models were reacting fearfully either to fear-relevant stimuli (toy snakes or a toy crocodile), or to fear-irrelevant stimuli (flowers or a toy rabbit).