part of start stage end stage ventral rectus zebrafish_anatomy Mature form at Larval:Protruding-mouth. ventral recti Extraocular muscle that inserts at the scleral-corneal junction on the ventral side of the eye. The insertion point of the ventral oblique and the ventral rectus overlap in adult fish. The ventral rectus is innervated by the oculomotor nerve. inferior rectus TAO:0000457 ZFA:0000457 extraocular musculature muscle unknown adult