Iowa State Journal of Research, Volumes 52-53Iowa State University Press, 1977 - Biology |
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Page 21
... ( Figure 7a ) for some distance but then divided into two discrete tubes , which lay juxtaposed to a crus on each side ( Figure 7b ) . The crural epithelium of this structure coincided with that of the medial syringeal valves and the ...
... ( Figure 7a ) for some distance but then divided into two discrete tubes , which lay juxtaposed to a crus on each side ( Figure 7b ) . The crural epithelium of this structure coincided with that of the medial syringeal valves and the ...
Page 95
... ( Figure 4 ) . After 2 days of feeding by the tick , the periphery of each primary spermatocyte consists of cup - shaped or circular - shaped subsurface cisternae , which vary in size and may be ... Figure 1 . Figure TICK SPERMIOGENESIS 55 95.
... ( Figure 4 ) . After 2 days of feeding by the tick , the periphery of each primary spermatocyte consists of cup - shaped or circular - shaped subsurface cisternae , which vary in size and may be ... Figure 1 . Figure TICK SPERMIOGENESIS 55 95.
Page 102
... ( Figure 16 ) . A very obvious groove - like depression runs laterally along most of the spermatid length . In cross section ( Figure 11 ) this depres- sion is identified in the inner tube and resembles the typhlosole of an earthworm ...
... ( Figure 16 ) . A very obvious groove - like depression runs laterally along most of the spermatid length . In cross section ( Figure 11 ) this depres- sion is identified in the inner tube and resembles the typhlosole of an earthworm ...
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