Cervical Plexus EASY Scheme Anatomy

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Content: • 0:00 Introduction • 01:02 Topography of Cervical Plexus • 02:53 Somatosensory Nerves of Cervical Plexus • 06:13 Motor Nerves of Cervical Plexus • 09:50 Mixed Nerves of Cervical Plexus • ------------------------------- • 🫀Join: / @taimtalksmed • 📷 Follow my IG: / taimtalksmed • 💝 Donation link: https://www.buymeacoffee.com/taimtalk... • ------------------------------- • Topography: • Anterior branch of spinal nerve • From spinal nerve C1, C2, C3, C4 • Somatosensory Branches (mechanoreceptors, exteroreceptors, prorioceptors, thermoreceptors) • Transverse Cervical Nerve (nervus transversus colli) from C2 and C3 • ○ Divides into inferior branch for the skin of the infrahyoid region, and superior branch for the skin of the suprahyoid region. Superior branch forms superficial ansa cervicalis for platysma • Greater auricular nerve (nervus auricularis magnus) from C2 and C3 • ○ Innervates the skin over the ear and parotid glands. • ○ Anterior branch for anterior part of auricle and parotid • ○ Posterior branch for the posterior parts • Lesser occipital Nerve (nervus occipitalis minor) from C2 and C3 • ○ Supplies skin of occiput and the posteror neck and lateral back of neck • Supraclavicular nerves (Nervi supraclaviculares) from C3 and C4 • • • Motor Branches • Muscular Branches (rami musculares) from C1-C4 • Deep cervical loop (ansa cervicalis profunda) for the infrahyoid muscles • ○ Formed by Superior root (radix superior) – C1 and C2 • ○ Inferior root (radix inferior) – C2 to C3 • Mixed Branches • Phrenic nerve (nervus phrenicus) – C3 to C5 • ○ Phrenic branches (rami phrenici) • ○ Pericardial branches (rami pericardiaci) • ○ Pleural branches (rami pleurales) • ○ Phrenicoabdominal branches (rami phrenicoabdominales) • ○ Sensory branches for the thymus • Accessory Nerve (Spinal Part)

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