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Table 3 Cumulative morphological features of the thyroid in group A and B

From: Intake of Boron, Cadmium, and Molybdenum enhances rat thyroid cell transformation

 

Features

Groupsa

A

B

5 Months

 

Follicles

  
 

- Disomogeneity (mild)

0%

40% (2/5)

 

- Nuclear clearing

0%

40% (2/5)

 

- Papillary structures

0%

0%

 

Vascular congestion (mild)

100% (5/5)

100% (5/5)

10 Months

 

Follicles

  
 

- Disomogeneity (mild)

17% (1/6)

0%

 

• (moderate)

83% (5/6)

50% (5/10)

 

• (severe)

0%

50% (5/10)

 

- Nuclear clearing (mild)

17% (1/6)

30% (3/10)

 

• (moderate)

83% (5/6)

30% (3/10)

 

• (severe)

0%

40% (4/10)

 

- Papillary structures (mild)

17% (1/6)

10% (1/10)

 

• (moderate)

0%

50% (5/10)

 

• (severe)

0%

40% (4/10)

 

Vascular congestion (mild)

0%

0%

 

• (moderate)

83% (5/6)

50% (5/10)

 

• (severe)

17% (1/6)

50% (5/10)

  1. anumber of affected/total animals
  2. Mild = present in less than 10% of the examined area, Moderate = present in 10–30% of the examined area, Severe = present in more than 30% of the examined area