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Carnegie Stage Section
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aortic arch 2, aortic arch 3, dermatomyotome 3 (O-3) , dorsal aorta (aortic arch 4), epipharyngeal placode 2, epipharyngeal placode 3, epipharyngeal placode 4, internal carotid artery, mesencoel (cerebral aqueduct), notochord, pharyngeal arch 2, pharyngeal pouch 2, pharynx primordium, precardinal vein, primordium of hypoglossal nerve (CN XII), region of mesencephalic (cephalic) flexure, sulcus limitans, tectum of mesencephalon, tegmentum of mesencephalon
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Carnegie Embryo #836   |   Location: 04-02-04

Keywords: aortic arch 2, aortic arch 3, dermatomyotome 3 (O-3) , dorsal aorta (aortic arch 4), epipharyngeal placode 2, epipharyngeal placode 3, epipharyngeal placode 4, internal carotid artery, mesencoel (cerebral aqueduct), notochord, pharyngeal arch 2, pharyngeal pouch 2, pharynx primordium, precardinal vein, primordium of hypoglossal nerve (CN XII), region of mesencephalic (cephalic) flexure, sulcus limitans, tectum of mesencephalon, tegmentum of mesencephalon

Source: The Virtual Human Embryo.