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Octavo-lateralis system

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Himantalophus groenlandicus female<br />

Morphometrics of neuromasts of Himantalophus groenlandicus female.<br />

Himantalophus<br />

groenlandicus female<br />

Shape of neuromasts<br />

including supporting cells<br />

Canal<br />

Neuromast<br />

s<br />

Nil Diamond<br />

Superficial Neuromasts<br />

Shape of sensory plate Nil Oval with long axis perpendicular to<br />

neuromasts shape<br />

Sensory plate diameter,<br />

µm<br />

Major axis<br />

Minor axis<br />

Number of hair cells per<br />

neuromasts<br />

Number of hairs per hair<br />

cell<br />

Nil 23µm<br />

(range = 15.6µm-29.8µm) N=10<br />

15.5µm<br />

(range = 10µm-19.5µm) N=10<br />

Nil 85 (range = 44-116) N=14<br />

Nil 30 (range 20-37) N=20<br />

Length of Kinocilium* Nil 6.7µm (range = 3.0µm-16.7µm) N=20<br />

Length of Stereocilia* Nil 11.9µm (range = 0.5µm- 7.3µm) N=24<br />

Direction of sensitivity Nil Perpendicular to the long axis of the<br />

neuromast, therefore along the lateral<br />

line.

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