Cervical Plexus - Anatomy

Taim Talks Med
Taim Talks Med
53.9 هزار بار بازدید - 2 سال پیش - Content:Introduction:
Content:
Introduction: 0:00
Topography of Cervical Plexus 01:02
Somatosensory Nerves of Cervical Plexus 02:53
Motor Nerves of Cervical Plexus: 06:13
Mixed Nerves of Cervical Plexus: 09:50

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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)
2 سال پیش در تاریخ 1401/05/13 منتشر شده است.
53,949 بـار بازدید شده
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