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Table 1 Results of the estimations of relative and absolute volumes of cercarial body and glands

From: Secretory glands in cercaria of the neuropathogenic schistosome Trichobilharzia regenti - ultrastructural characterization, 3-D modelling, volume and pH estimations

 

TEM + CM stereology

CM stereology

CM voxel counting

Postacetabular glands

14.4%

19.5% ± 3.3%

18.7% ± 5.4%

 

70065 ± 4491

94114 ± 3106 (fixed)

107372 ± 5798

  

136570 ± 4507 (live)

 

Circumacetabular glands

12%

12.5% ± 3.5%

15.2% ± 5%

 

58255 ± 3734

60330 ± 2112 (fixed)

87275 ± 4364

  

87545 ± 3064 (live)

 

Head gland

6%

ND

ND

 

29258 ± 1875

  

100% body (absolute volume)

487415 ± 31240 (fixed)

482637 ± 159753 (fixed)

574180 ± 197518 (fixed)

  

700360 ± 158982 (live)

 
  1. Columns represent particular methods used for estimations. Relative volumes are indicated as percent of total volume of cercarial body (excluding tail). Absolute volumes are expressed in μm3 ± standard deviation. TEM, sections under transmission electron microscope; CM, optical sections under confocal microscope; ND, not determined.