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Table 2 Average thickness of retinal layers

From: Clinical, electroretinographic and histomorphometric evaluation of the retina in sheep with natural scrapie

Layer

Central retina

Paracentral retina

Peripheral retina

 

Control

Scrapie

Control

Scrapie

Control

Scrapie

Photoreceptor segments

13.5 ± 1.1

17.0 ± 4.3***

13.8 ± 0.7

18.3 ± 3.6***

14.6 ± 1.9

18.2 ± 3.1***

Outer nuclear

28.6 ± 1.7

24.0 ± 6.0*

27.2 ± 0.9

24.4 ± 3.6*

24.4 ± 1.6

24.3 ± 3.9

Outer plexiform

7.2 ± 0.5

5.9 ± 1.7*

7.8 ± 0.7

7.5 ± 2.7**

8.4 ± 1.2

7.9 ± 3.0*

Inner nuclear

20.7 ± 1.5

17.1 ± 3.1**

19.7 ± 1.3

17.1 ± 2.8*

19.9 ± 1.6

17.6 ± 2.9***

Inner plexiform

30.0 ± 3.1

32.9 ± 6.5

33.5 ± 2.0

32.7 ± 4.6

32.5 ± 2.3

31.9 ± 5.6

  1. Thickness of the retinal layers (in pixels) in unaffected control and naturally scrapie-affected sheep. Data are expressed as mean ± SD. Level of significance *P < 0.05, **P < 0.01, ***P < 0.001.