timothy grass


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timothy grass

(tim'o-the) [ Timothy Hanson, early 18th-cent. American farmer who cultivated the grass]
A common North American grass (Phleum pratense). Allergens derived from this grass cause seasonal allergies, esp. during the summer. Synonym: timothy grass
References in periodicals archive ?
There was a significant increase in Timothy grass sensitisation among asthmatics: 51.3% (20/39) of children with asthma symptoms were Timothy grass sensitised v.
Abbreviations: AE, adverse event; AAdSS, average adjusted symptom score; AIT, allergy immunotherapy tablet; A/P, active/placebo; CI, confidence interval; DMS, daily medication score; DSS, daily symptom score; IR, index of reactivity; LSM, least-squares mean; NS, not stated; QOL, quality of life; RC, rhinoconjunctivitis; RCA, rhinoconjunctivitis/asthma; RQLQ(S), Standardized Rhinoconjunctivitis Quality of Life Questionnaire; RTSS, Rhinoconjunctivitis Total Symptom Score (RTSS); SLIT, sublingual immunotherapy; SRPAE, short ragweed pollen allergen extract; TCS, total combined score; TGPAE, Timothy grass pollen allergen extract; 5-GPAE, 5-grass pollen allergen extract; TSS, total symptom score.
Key clinical point: The number of allergic rhinitis patients who need to be treated with Timothy grass immunotherapy tablets to obtain a sustained clinically important response is 7.9.
Timothy grass is a quite widely spread species, being one of the most productive in Lithuania.
The mice given only Timothy Grass had a high mortality rate.
In line with this hypothesis, a mutual booster effect of timothy grass pollen and latex sensitization in vivo has been demonstrated, augmenting reactions in patients already allergic to plant allergens (Mahler et al., 2000).
Two of the 5 control sites in 1997 and 3 of the 5 control sites in 1998 were located in hay fields dominated by orchard grass, timothy grass, rye grass, brome grass, fescue, blue grass, red clover (Trifolium repens), and alfalfa (Medicago sativa).
Crops grown include canola, Kentucky Blue Grass, forage hay, wheat, alfalfa barley, and Timothy grass.
Similar comparisons were done using only the data from the two inhalant activators, Timothy grass and June grass pollen extracts.
The infection of timothy grass (Phleum pratense L.) by Epichloe typhina, Type I life cycle, has also been shown to improve host resistance against Cladosporium phlei and this phenomenon was chemical in nature.
"In any one year roughly one-third of our land is in perennials such as timothy grass, alfalfa, and turf grasses (such as bentgrass and Kentucky bluegrass)," Keith explains.
For instance, we are allowed to retain sexist names for nonhumans, such as alewife, timothy grass, daddy longlegs, sweet william, and myrtle.