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Carnegie Stage Section
C-8 / T-1 interganglion region, brachiocephalic artery, coracoid process of scapula, costovertebral joint, edge of right hand, glenohumeral joint, head of clavicle, humerus, junction of pharyngeal arch 1 cartilages (Meckel), lower trunk of brachial plexus (C-8, T-1), mandible ossification, notochord, oral fissure, rhomboid minor muscle, rib 1, scapula, serratus posterior superior muscle, supraspinatus muscle, sympathetic trunk, transverse process of T-1 vertebra, upper lip, vagus nerve (CN X)
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Carnegie Embryo #9226   |   Location: 93-01-01

Keywords: C-8 / T-1 interganglion region, brachiocephalic artery, coracoid process of scapula, costovertebral joint, edge of right hand, glenohumeral joint, head of clavicle, humerus, junction of pharyngeal arch 1 cartilages (Meckel), lower trunk of brachial plexus (C-8, T-1), mandible ossification, notochord, oral fissure, rhomboid minor muscle, rib 1, scapula, serratus posterior superior muscle, supraspinatus muscle, sympathetic trunk, transverse process of T-1 vertebra, upper lip, vagus nerve (CN X)

Source: The Virtual Human Embryo.