(n.) The fecundating dustlike cells of the anthers of flowers. See Flower, and Illust. of Filament.
Example Sentences:
(1) We conclude that the priming effect is not a clinically significant phenomenon during natural pollen exposure in allergic rhinitis patients.
(2) The diagnosis of occupational allergy was based on history, skin prick tests and RAST to the pollen.
(3) Using a large clinic population with adequate controls, significant correlation between ragweed, grass or tree pollen sensitivity and the dates of birth was not obtained.
(4) For pollen asthma, six studies conclude that there were superior results with desensitization than to placebo.
(5) They were placed less than 5 m apart, and estimation of the pollen amount was made on a day-to-day basis during the pollen seasons, and on a weekly basis outside the seasons.
(6) The impact of pollen on the respiratory mucosa was modeled by studying the process by which solutes are eluted from pollen grains.
(7) One part fresh pollen grains is uniformly mixed with nine parts of the solution and left at room temperature for at least 5 hr.
(8) We have developed a reverse-type sandwich ELISA for measurement of IgG (+IgA) antibody to a major allergen of Sugi (Japanese cedar) pollens.
(9) The concentration of these pollens decrease in April, completely diminishing in May.
(10) Six atopic subjects with grass pollen allergy and six nonallergic healthy volunteers were enrolled into this study.
(11) Inhalant allergens as mite house dust, animal danders, pollens, molds and food allergens are considered, now, to be the most sensitizing agents.
(12) Most patients showed several positive skin tests to common allergens particular to grass pollen, house dust and mites (Dermatophagoides pteronyssimus).
(13) The pollen sterility (up to 30% of grains) is due to the abortive spore development.
(14) A pollen-specific cDNA clone, Zmc13, has been isolated from a cDNA library constructed to poly(A) RNA from mature maize pollen.
(15) Sixty patients with seasonal allergic rhinitis due to birch pollen were enrolled in an open, randomized parallel group study.
(16) We have studied some aspects of the atopic syndrome in this population of Southern Italy: frequency of allergic sensitization according to endogenous and extrinsic factors (particularly Parietaria officinalis, a characteristic pollen of the Southern Italian Flora), etc.
(17) It was observed that cocksfoot pollen extract is stable but there appears a slight but significant (P less than 0.05) decay in activity when the extract stored for up to 6 months was compared with a freshly prepared extract.
(18) These are collected in her pollen baskets which she takes back to the nest to feed the young after fertilising the flowers.
(19) It was observed, perhaps for the first time, that feeling worse when there is a high pollen count appears to be associated with the symptom pattern seen in winter SAD patients.
(20) In allergologic out-patient departments of Dubrovnik, Split, Sibenik, Zadar, Pula and Rijeka, 300 patients with pollinosis have been tested by the application of the prick method of group allergens of grass, tree and weed pollen, particularly of Parietariae (pellitory) pollen.
Pollinate
Definition:
(a.) Pollinose.
(v. t.) To apply pollen to (a stigma).
Example Sentences:
(1) In all seriousness, however: freedom of movement and cultural cross-pollination are crucial principles.
(2) It does seem a little shady to do this kind of field study - the very studies the companies say are the most important ones - and then not tell people what they find.” Prof Christian Krupke, at Purdue University in Indiana, said: “Bayer and Syngenta’s commitment to pollinator health should include publishing these data.
(3) However, our knowledge about them is incomplete as we are faced with an alarming lack of expertise and resources.” Bees play an essential role in sustaining ecosystems and pollinating crops and the IUCN is calling for urgent investment into new research on ways of reversing the decline.
(4) Kanamycin resistance was transmitted as a single dominant nuclear marker to the progeny of resistant plants after selfing or cross-pollination with the wild-type.
(5) Bee pollination of crops has been valued at $20bn in the US and $217bn worldwide.
(6) Many bumblebees and solitary bees have evolved to pollinate certain flowers.
(7) Eventually we'd like to see many of these robots work together similar to a colony of bees pollinating flowers.
(8) But research showing that they sicken or kill bees and other pollinators means neonics could soon lose their grip in North America.
(9) When Mutator plants are self-pollinated, the progeny double their Mu copy number in the first generation, but maintain a constant number of Mu sequences with subsequent self-pollinations.
(10) The EFSA report found the risk to honeybees from drifting pesticide dust was high when fipronil was used as a seed treatment for maize, but did not have the data to assess the risk from its use on sunflowers, or the risk via pollen and nectar, or the risk to other bees and pollinators.
(11) The loss of honeybees in many countries in the last decade has caused widespread concern because about three-quarters of the world's food crops require pollination.
(12) I have lived in the middle of the carnival route for 12 years now and going by my wholly unscientific observation, the carnival is one of the lovelier forms of cultural cross-pollination.
(13) The discovery that drones of the Japanese honeybee (Apis cerana japonica) pollinate the oriental orchid (Cymbidium pumilum) is reported.
(14) As a result, annual global crop pollination by bees is estimated to be worth $170bn .
(15) Fluticasone propionate was compared with beclomethasone dipropionate for the treatment of allergic rhinitis in a multicenter, double-blind, randomized, placebo-controlled study during the mountain cedar (Juniperus ashei) pollination season in central Texas.
(16) Ever more scientific evidence shows just how dangerous these chemicals are to bees and other pollinators.” Facebook Twitter Pinterest Activists protest against pesticides at Bayer headquarters in Athens, Greece, in April last year.
(17) The UK faces a food security catastrophe because of its very low numbers of honeybee colonies, which provide an essential service in pollinating many crops, scientists warned on Wednesday.
(18) As Notton points out, bees add to our range of pollinators, enhancing diversity in wild plants and benefiting the crops and fruit upon which we depend.
(19) An investigation of a large number of inbred lines, both experimental and commercial hybrids, together with open-pollinated varieties, showed the potential of the method.
(20) On the contrary, the asthmatic group obtained a good correlation between bound and free IgE after the pollen season, rather than within the pollinization period.