(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.
Substance
Definition:
(n.) That which underlies all outward manifestations; substratum; the permanent subject or cause of phenomena, whether material or spiritual; that in which properties inhere; that which is real, in distinction from that which is apparent; the abiding part of any existence, in distinction from any accident; that which constitutes anything what it is; real or existing essence.
(n.) The most important element in any existence; the characteristic and essential components of anything; the main part; essential import; purport.
(n.) Body; matter; material of which a thing is made; hence, substantiality; solidity; firmness; as, the substance of which a garment is made; some textile fabrics have little substance.
(n.) Material possessions; estate; property; resources.
(n.) Same as Hypostasis, 2.
(v. t.) To furnish or endow with substance; to supply property to; to make rich.
Example Sentences:
(1) No differences between the two substances were observed with respect to side effects and general tolerability.
(2) Modulation of the voltage-gated K+ conductance in T-lymphocytes by substance P was examined.
(3) During the digestion of these radiolabeled bacteria, murine bone marrow macrophages produced low-molecular-weight substances that coeluted chromatographically with the radioactive cell wall marker.
(4) Intracellular localization of the labeled substance in the tumor tissue was examined autohistoradiographically.
(5) Substances with a leaving group at the C-3 position form unsaturated conjugated cyclic adducts and are mutagenic only in the His D3052 frameshift strains with an intact excision repair system (no urvA mutation).
(6) A substance with a chromatographic mobility of Rf = 0.8 on TLC plates having an intact phosphorylcholine head group was also formed but has not yet been identified.
(7) Serum pepsinogen 1, serum gastrin, ABO blood groups, secretor status of ABH blood group substances and behavioral factors were studied in 15 patients with duodenal ulcer and 61 their relatives affected and unaffected to duodenal ulcer.
(8) Agarose-albumin beads may be useful for removing protein-bound substances from the blood of patients with liver failure, intoxication with protein-bound drugs, or specific metabolic deficits.
(9) Urine tests in six patients with other kidney diseases and with uraemia and in seven healthy persons did not show this substance.
(10) Substance P, a potent vasodilating peptide, seems to be released from trigeminal nerve endings in response to nervous stimulation and is involved in the transmission of painful stimuli within the periphery.
(11) Regulators concerned about physician behavior and confronted by demands of nonphysicians to prescribe controlled substances may find EDT a good solution.
(12) These results are discussed in the light of the mode of action of the substances used.
(13) Most cis AB sera have anti-B activity, essentially at 4 degrees C. In saliva A and H substances are found in normal amounts but B substance is only evidenced by inhibition of autologous cells agglutination.
(14) We have investigated some of the factors which affect the retention times of these substances in reversed-phase HPLC on columns of 5-micron octadecylsilyl silica.
(15) The data indicate that adult neurons with an intrinsic ability to regenerate axons can respond to substances with neurotrophic or neurite-promoting activities in tissue cultures.
(16) The authors describe the role played by these substances in the pathogenesis of inflammations, their importance in the regulation of intraocular pressure and in the development of cystoid macular oedema.
(17) They were more irregularly curved and consisted of various substances.
(18) We examined 10 life areas clustered around the general categories of "substance use," "social functioning," and "emotional and interpersonal functioning."
(19) In certain cases, the effects of these substances are enhanced, in others, they are inhibited by compounds that were isolated from natural sources or prepared by chemical synthesis.
(20) The following possible explanations were discussed: a) the tested psychotropic drugs block prostaglandin receptors in the stomach; b) the test substances react with prostaglandin in the nutritive solution; c) the substances stimulate metabolic processes in the stomach wall that break down prostaglandin.