Cervical Plexus Flashcards
CERVICAL PLEXUS
- network of nerves formed by communication between the anterior rami of the ——nerves
- lies posterior to—- and ———
upper 4 cervical
IJV
SCM muscle
BRANCHES OF CERVICAL PLEXUS
—————
———
superficial or cutaneous branches
-deep or muscular and communicating branches
Ascending branches
——
———
——
lesser occipital
- great auricular
- nervous cutaneous colli
Descending branches
——-
———
———
- medial supraclavicular
- intermediate supraclavicular
- lateral supraclavicular
Lesser occipital nerve
- usuall from ——-
- supplies skin on——-
- connects with—— branch of ——nerve
just from C2 but sometimes also from C3
upper third of medial auricular aspect
posterior
great auricular
Great auricular nerve
- from——-
- encircles the—— border of——-
- supplies skin of——
C2 and C3
posterior
SCM
mastoid process, back of auricle, the lobule and concha
Transverse Cutaneous nerve
- from——
- curves round the—— border of——
- supplies skin of upper——, upper———
C2,C3
posterior
SCM
anterior neck
anterolateral neck too up to the level of the sternum
largest ascending branch of the superficial part of cervical plexus is ???
Great auricular nerve
Supraclavicular nerve
- from—-
- emerge from—— border of—- to descend under the—— and——
- 3 branches
- medial branch supplies up—— and as low as——(yes,—— joint is part 🙄)
- intermediate branch goes as—— up to the point of——
- lateral branch supplies the skin of———
C3,C4
posterior; SCM; platysma; DCV
the skin as far as midline; 2nd rib
sternoclavicular
over clavicle to supply the pecs and delts; 2nd rib
the upper and posterior parts of the shoulder
deep or muscular and communicating branches of cervical plexus Lateral series Muscular branches SCM ——- —————- —- Levator scapulae —— ————————- —-
Communicating branches
————————— ——-
2,3,4
Trapezius; 2,3
Scalenus medius
3,4
3,4
Accessory nerve
2,3,4
Medial series
Communicating branches
Hypoglossal. ——
——————— —-
——————— ——
1,2
Vagus! ; 1,4
Sympathetic; 1,2
PHRENIC NERVE
-from——
——supply to the diaphragm
3,4,5
-sole motor
THE ANSA HYPOGLOSSI -formed by——- -has 3 parts -superior root from—— :supplies —— -inferior root from ——- And , ————-: that supplies——-
C1,2,3
C1; superior belly of omohyoid
C2,C3
loop of ansa cervicalis; sternothyroid, sternohyoid ,inferior belly of omohyoid
Medial series
Muscular branches Phrenic nerve. —— Rectus capitis————-. —— Rectus capitis————— —— Longus————-. —- Longus———. ——- Inferior root of ansa cervicalis Infrahyoid muscles
3,4,5
lateralis; 1
anterior; 1,2
capitis; 1,3
colli; 2,4