Table 1 Morphometric data for the 11 Atlantic spotted dolphins in the study of adult and senile specimens. The mean values of CSA, LD and N° of fibres are given

From: Muscular senescence in cetaceans: adaptation towards a slow muscle fibre phenotype

 

Type I fibres

Type II fibres

Case N°

Group

CSA

LD

N°

CSA

LD

N°

1

Senile

1,307.81

13.96

967

1,458.53

13.40

1132

2

Adult

564.11

12.10

403

1,893.12

17.09

810

3

Adult

730.14

10.99

722

1,959.43

17.94

1090

4

Senile

1,587.69

14.88

626

2,320.86

18.61

761

5

Senile

1,304.96

14.31

826

1,429.63

14.19

1122

6

Adult

727.20

10.60

676

1,663.54

16.19

1195

7

Senile

1,254.89

13.03

789

2,230.36

17.02

390

8

Adult

765.99

10.03

422

2,223.77

17.79

749

9

Adult

1,069.25

11.65

267

3,573.29

20.32

605

10

Senile

1,291.64

14.35

545

2,046.54

17.73

805

11

Adult

1,058.34

12.75

438

2,321.06

19.27

805

  1. An average of 607 type I fibres and 860 type II fibres for each animal were analysed. Cross sectional area (CSA) (μm2), Lesser diameter (LD) (μm), Relative number of each fibre type per 10 random fields (N°).
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