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Table 4 Comparison of the cochlear turns, cochlear length, and scala tympani volume in humans and animals

From: Sheep as a large animal model for hearing research: comparison to common laboratory animals and humans

Species

Cochlear turns

Cochlear length (mm)

Scala tympani volume (µl)

Reference

Human

2.6

32a

29.22

Keen [98]

Thorne et al. [104]

Erixon et al. [95]

Kuthubutheen et al. [106]

Sheep

2.25

34a

25.04

Schnabl et al. [105]

Miniature pig

3.5

39b

NA

Yi et al. [97]

Dog

3.5

24a

NA

Keen [98]

Le and Keithley [100]

Monkey (Common marmoset)

2.84

17b

5.22

Johnson et al. [102]

Cat

3

20a

NA

Keen [98]

West [96]

Rabbit

2.25

15a

NA

Axelsson and Lind [103]

Yuan et al. [107]

Guinea pig

4.25

21a

4.66

Keen [98]

West [96]

Thorne et al. [104]

Chinchilla

3

18a

NA

West [96]

Bohne and Carr [101]

Rat

2.2

9a

1.04

Burda et al. [99], Thorne et al. [104]

Yi et al. [97]

Mice

1.75

5a

0.32

Burda et al. [99]

Thorne et al. [104]

Müller et al. [53]

  1. NA: Not available
  2. aMeasured along the basilar membrane
  3. bScala tympani length