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Table 3 Main types of the additional internal muscle fibers and bundles

From: Somatic musculature in trematode hermaphroditic generation

Species

Stage

Types of additional internal muscle fibers and bundles are labeled with arabic numerals according to the list in results section.

  

1

2

3

4

5

6

7

8

Cotylurus cornutus

Cerc

I

 

III

 

II

   

Fellodistomum fellis

Cerc

 

I

 

II

    

Gymnophallus sp.

Mc

IV

I, II

  

VIII

VII

 

IV, V

Neophasis lageniformis

Mc

I

 

IX, X

VII

 

IV

V,VI

II, III

Himasthla elongata

Cerc

  

XI, XII

X

IX

 

VII, VIII

VI

Cryptocotyle lingua

Cerc

I, II, III

       

Cercaria parvicaudata

Cerc

I

  

IV

V

 

II, III

 

Cercaria edgesii

Cerc

VI

 

III, IV

VII, VIII

  

II, V

 

Microphallus claviformis

Cerc

      

I, II

 
  1. Cerc cercariae, Mc metacercariae. Roman numerals stand for the groups of additional internal musculature of certain species according to the figure lettering. 1 – oral sucker protractors; 2 – oral sucker retractors; 3 – ventral sucker protractors and/or dilators: 4 – ventral sucker retractors; 5 – transverse dilators-retractors of the ventral sucker; 6 – transverse muscle bundles in the preacetabular region; 7 – criss-cross groups of muscle bundles; 8 – retractors of the pharynx