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Palynology: History and Systematic Aspects
Palynology is the science of palynomorphs, a general term for all entities found in palynological preparations (e.g., pollen, spores, cysts,...
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How to Describe and Illustrate Pollen Grains
For the description of a pollen grain, a number of features are used including size, polarity and shape, aperture condition, ornamentation, and...
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Aperture
angulaperturate: pollen grain with an angular outline where the apertures are located at the angles
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Ornamentation
areola/areolate: insular ornamentation element
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Pollen Development
Pollen is source and transport unit for the male gametes (or their progenitor cell). The unicellular pollen grain represents the microspore of seed...
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Methods in Palynology
Multiple methods and techniques should be used when investigating pollen grains in order to provide comprehensive and accurate information about...
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Shape and Polarity
outline: describes the contour of pollen grains in polar and/or equatorial view
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Pollen Wall
tectum/tectate: outer more or less continuous ektexine layer; tectum condition can be eutectate or semitectate
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Misinterpretations in Palynology
The description of pollen ornamentation depends on three major parameters (1) the interpretations of the palynologist (which are subjective), (2) the...
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Pollen Morphology and Ultrastructure
The study of pollen should encompass all structural and ornamental aspects of the grain. Pollen morphology is studied using LM and SEM and is...
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Pollen Class
pollen class: artificial grou** of pollen grains that share one or more distinctive characters
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Pollen- and Dispersal Units
monad: unit consisting of a single pollen grain
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Glossary of Palynological Terms
All important terms in palynology are listed here and explained. Terms figured in chapter “Illustrated Pollen Terms” are indicated by bold page...
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Prospective Studies on Mite (Dermatophagoides farinae) Allergen Immunotherapy in China
Mite allergy study was founded in China beginning in the 1970s and conducted at Shanghai First Medical College. The highest allergenic contents had...
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The Association between Helminth Infections and Atopic Diseases
Worldwide, allergies are increasingly becoming a public health problem. Several studies have indicated a relation between allergies and a “western”...
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Mechanism of Type I Hypersensitivity
The increasing prevalence of allergic disorders is currently a serious problem with public health. Understanding of the mechanisms underlying...
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The Influence of Pollen Concentration on the Dispension of Antihistaminics and Corticosteroids to Hay Fever Patients
Climate change may induce alterations in the start and duration of the pollen season. Future changes in climate are likely to significantly advance...
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Recombinant Allergens and Applications
Recombinant DNA technology has great potential in various aspects of allergen-related research and clinical applications. Sufficient amounts of...
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Prevalence of Allergic Diseases in China
The world-wide increase of allergic diseases is the consequence of drastic changes in life style, living environment, food and medical care. In...
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Pharmacotherapy in Common Allergic Diseases
Allergic diseases are immunologically mediated hypersensitivity reactions that are increasing in prevalence throughout the world. Symptoms associated...