Ticks and Disease |
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Page 154
... fluid which is free from guanine . Excretion of a watery fluid from the Malpighian tubules has been reported from the first nymphal instar of O. moubata . This fluid is of a viscous nature which dries up rapidly . Subsequently , only ...
... fluid which is free from guanine . Excretion of a watery fluid from the Malpighian tubules has been reported from the first nymphal instar of O. moubata . This fluid is of a viscous nature which dries up rapidly . Subsequently , only ...
Page 158
... fluid resistance of the haemocoelic fluid a negative pressure relative to that of the haemolymph is set up within the chamber . Fluid will pass into the chamber if the difference in pressure across the filtration membrane is greater ...
... fluid resistance of the haemocoelic fluid a negative pressure relative to that of the haemolymph is set up within the chamber . Fluid will pass into the chamber if the difference in pressure across the filtration membrane is greater ...
Page 159
... fluid in the space of 1 min , and such a fantastic rate of movement of fluid can only be accounted for by ultrafiltration . That this is so is substantiated by the rapid passage of such rela- tively indiffusible dyes as Congo red and ...
... fluid in the space of 1 min , and such a fantastic rate of movement of fluid can only be accounted for by ultrafiltration . That this is so is substantiated by the rapid passage of such rela- tively indiffusible dyes as Congo red and ...
Contents
INTRODUCTION | 1 |
CUTICLE THE KEY TO TICK ADAPTABILITY | 10 |
EXTERNAL FEATURES OF SOME ECONOMICALLY IMPORTANT SPECIES 27 | 27 |
Copyright | |
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Common terms and phrases
activity Africa Amblyomma andersoni animals appear areas argasid Argasidae attached Babesia basis capituli bite body Boophilus broad capitulum cattle cells Cervical grooves cheliceral colour coxa coxal cuticle cytoplasm Dermacentor disease dogs dorsal view eggs endocuticle engorged epicuticle evertsi external spur feeding fluid fully fed genus granules Haemaphysalis hairs hard ticks hexagonus Hoogstraal host humidity Hyalomma hypostome infection inner Ixodes ricinus large number larvae larvae and nymphs lateral layer Lees legs length louping ill lumen male mammals membrane microplus moult muscles Nuttall nymphal nymphs nymphs and adults occur palp palpi parasites pathogens period persicus pharynx posterior margin punctations rabbits relapsing fever reported Rhipicephalus rickettsiae rounded salivary glands sanguineus scutum sheep skin soft ticks spermatophore spiracle Spiracular plate spirochaetes spotted fever spur on coxa surface tarsus tarsus IV temperature Theileria tick species tissues transmission transmitted transverse unfed females variabilis vector ventral virus whilst