Ticks and Disease |
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Page 107
... wall of the process is thin , wrinkled and membranous , but near its base the dorsal wall is thickened laterally , leaving only a narrow median membrane . The sclerotized thickenings fuse in the midline , ventral to the dorsal mesial ...
... wall of the process is thin , wrinkled and membranous , but near its base the dorsal wall is thickened laterally , leaving only a narrow median membrane . The sclerotized thickenings fuse in the midline , ventral to the dorsal mesial ...
Page 164
... wall of atrium ; ( v ) muscle of ventral atrial wall ; ( vi ) trachea ; ( vii ) ostium ; ( viii ) plane along which sections ( a ) - ( e ) ( Fig . 60 ) are cut ; ( ix ) columella ; ( x ) pedicel ; ( xi ) dorsal wall of atrium ; ( xii ) ...
... wall of atrium ; ( v ) muscle of ventral atrial wall ; ( vi ) trachea ; ( vii ) ostium ; ( viii ) plane along which sections ( a ) - ( e ) ( Fig . 60 ) are cut ; ( ix ) columella ; ( x ) pedicel ; ( xi ) dorsal wall of atrium ; ( xii ) ...
Page 167
... wall . The surface lacks the taenidia which are so characteristic of the trachea . Gaseous exchange is presumably regulated by the movement of the atrial walls , which are governed by muscles originating from the ventro - lateral body wall ...
... wall . The surface lacks the taenidia which are so characteristic of the trachea . Gaseous exchange is presumably regulated by the movement of the atrial walls , which are governed by muscles originating from the ventro - lateral body wall ...
Contents
INTRODUCTION | 1 |
CUTICLEThe Key to TICK ADAPTABILITY | 10 |
EXTERNAL FEATURES OF SOME ECONOMICALLY IMPORTANT | 27 |
Copyright | |
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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 Ixodidae large number larvae larvae and nymphs lateral layer Lees legs length louping ill lumen male 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