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Carnegie Stage Section
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C-6 spinal ganglion, C-6 spinal nerve, anal pit, buccal region, clavicle, common carotid artery, external jugular vein, inferior alveolar nerve, infra-orbital lamina (facial muscle blastemata), internal jugular vein, middle cervical sympathetic ganglion, nasal capsule cartilage condensation, nasal cavity (nasal sac), nasal septal cartilage, pharyngeal arch 1 cartilage (Meckel), primary palate, semispinalis capitis muscle, semispinalis cervicis muscle, splenius muscle, subarachnoid space, thyroid gland, tongue, trapezius muscle
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Carnegie Embryo #4090   |   Location: 13-3

Keywords: C-6 spinal ganglion, C-6 spinal nerve, anal pit, buccal region, clavicle, common carotid artery, external jugular vein, inferior alveolar nerve, infra-orbital lamina (facial muscle blastemata), internal jugular vein, middle cervical sympathetic ganglion, nasal capsule cartilage condensation, nasal cavity (nasal sac), nasal septal cartilage, pharyngeal arch 1 cartilage (Meckel), primary palate, semispinalis capitis muscle, semispinalis cervicis muscle, splenius muscle, subarachnoid space, thyroid gland, tongue, trapezius muscle

Source: The Virtual Human Embryo.