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Related to Hypaxial: epaxial


a.1.(Anat.) Beneath the axis of the skeleton; subvertebral; hyposkeletal.
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In most taut-skinned fishes, the body core musculature is made up of segmented and serially arranged, cone-shaped myomeres divided into epaxial and hypaxial muscle groups by a horizontal septum (Liem et al.
curacao larvae described by Baldwin & Smith (2003: 646, Figs 1, 17A), including the presence of approximately five large melanophores on the ventral midline along the posterior portion of the trunk, one large melanophore around the anus, six large melanophores along the dorsal midline and internal melanophores along the myosepta of the epaxial and hypaxial musculature.