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17 Cards in this Set
- Front
- Back
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Suboccipital nerve
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C1
No cutaneous innervation Supplies muscles of suboccipital triangle |
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Greater occipital nerve
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C2
Supplies skin over occipital bone Muscular branches to semispinalis capitis |
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Posterior primary rami C3-C6,
Medial Branches |
Innervate skin and muscle over back of neck
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Occipital tertius (C3)
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Skin on upper part of back of neck to occipital protuberance
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Anterior primary rami
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to PLEXUSES
supply skin and muscles enterire lateral and anterior portion of head/neck/shoulder girdle |
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Cervical Plexus
- Origin - Motor distribution - Sensory innervation |
Origin - anterior primary rami of C1, C2, C3, C4
Motor distribution - genio hyoid, infrahyoid, anterior vertebral muscles Sensory distribution - skin posterior and superior to the ear, over the anterior and lateral neck and over the area ABOVE the clavicle |
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Brachial plexus
- Origin - Motor distribution - Sensory innervation |
Origin - anterior primary rami of C5, C6, C7, C8, T1
Motor distribution - muscles of shoulder girdle and upper limb Sensory innervation - entire upper limb |
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5 components of cervical plexus
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Ansa cervicalis
Phrenic nerve Cutaneous branches Contributions to accessory nerve Direct muscular branches |
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Ansa Cervicalis, motor or sensory?
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MOTOR
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Which nerve runs with superior root of ansa cervicalis for a while?
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HYPOGLOSSAL N.
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What structure goes through the loop formed by the ansa cervicalis?
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Carotid sheath and contents
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3 sets of branches from great auricular nerve
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Mastoid
Auricular Facial |
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Great auricular nerve
origin? sensory/motor? |
C2 and C3
SENSORY |
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Cutaneous branches of Cervical Plexus
type general route 4 names |
Sensory
Emerge deep to SCM and enter POSTERIOR TRIANGLE Great auricular n., Lesser occipital n., Anterior cutaneous n., Supraclavicular nn, |
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Where do you find the SUPERIOR CERVICAL GANGLION?
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anterior to the transverse process of C2
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From what structure do ALL POSTganglionic SYMPathetic fibers emerge?
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SUPERIOR CERVICAL GANGLION
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Where do you find the Inferior cervical ganglion?
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Anterior to transverse process of C7
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