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Table 2 Cranial muscles in zebrafish head

From: Possible effects of EXT2 on mesenchymal differentiation - lessons from the zebrafish

     3dpf 4dpf 5dpf
Region Time Muscle: Wild type ext2 (-/-) Wild type ext2 (-/-) Wild type ext2 (-/-)
M 62 Intermandibularis anterior ima x x* x x x x
H 58 Interhyoideus ih x x x x x x
B 62 Tranversus ventralis tv x x x x x x
M 62 Intermandibularis posterior imp x x x x x x
H 58 Hyohyoideus hh x a x a x a
B 85 Rectus ventralis rv na na na na na na
B 85 Rectus communis rc na na na na na na
M 53 Adductor mandibulae am x x x x x x
M 62 Levator arcus palatini lap x x x x x x
M 62 Dilator operculi do x x x x x x
H 68 Adductor hyoideus ah x x x x x x
H 68 Adductor operculi ao x x* x x* x x*
B 72 Dorsal pharyngeal wall dpw na na na na na na
H 85 Levator operculi lo na na na na na na
E 62 Inferior oblique io na na na na na na
E 58 Inferior rectus ir na na na na na na
E 58 Lateral rectus lr na na na na na na
E 53 Medial rectus mr na na na na na na
B 53 Sternohyoideus sh x xx x xx x xx
E 58 Superior oblique so na na na na na na
E 58 Superior rectus sr na na na na na na
D 72 Protractor pectoralis pp a x* x x x x
  1. Muscles were scored based on the MF-20 immuno staining of myosin (see Additional file 1) as described in [28] and indicated as: present (x), absent (a), or not analysed (na). Asterisk indicate severely reduced muscles. Minimum seven fish were analysed in each group. B, Branchail arches; D, Dorsal posterior; E, Extraocular; H, Hyoid arch; and M, Manibular arch. Time – number of hours post fertilization at which a muscle become visible.