11. Posterior belly of
digastric m.Sternomastoid
m.
Spinal
accessory n.
Descendens
cervicalis
Upper deep cervical
Omohyoid m.
Lower deep
cervical l.n.
Sternothyroid
m.
Sternohyoid
mSternomastoid
Superficial
Relations
Dr.Sherif Fahmy
12. Scalenus anterior
m.
1st
part of
subclavian art.
Thyro-cervical
trunk Phrenic n.
Internal jugular vein
Rectus capitis
lateralis m.
Cervical plexus
Levator
scapulae m. Scalenus
medius m.
Deep Relations
Transverse pr C1
Dr.Sherif Fahmy
15. Carotid Sheath (Page 6)
A tube of deep fascia that surrounds big
vessels and nerves in the neck.
Attachments:
Above: To tympanic plate and petrous
bone.
Below: To fibrous pericardium.
Anterior: to pretracheal fascia.
Posterior: Prevertebral fascia.
Dr.Sherif Fahmy
16. Contents:
•Common and internal carotid arteries.
•Internal jugular vein.
•Vagus nerve. In the upper part lower 4
cranial nerves are present in the upper
part of sheath.
Structures embeded:
-Ansa cervicalis in anterior wall.
-Sympathetic chain in posterior wall.
Dr.Sherif Fahmy
18. Posterior belly of
digastric m.Sternomastoid
m.
Spinal
accessory n.
Descendens
cervicalis
Upper deep cervical
Omohyoid m.
Lower deep
cervical l.n.
Sternothyroid
m.
Sternohyoid
mSternomastoid m
Superficial
Relations
Dr.Sherif Fahmy
19. Longus coli m.
Scalenus anterior
m.
1st
part of
subclavian art.
Vertebral artery
Thyro-cervical
trunk Phrenic n.
Internal jugular vein
Rectus capitis
lateralis m.
Cervical plexus
Levator
scapulae m. Scalenus
medius m.
Deep Relations
Dr.Sherif Fahmy
24. Internal carotid a.
Longus capitis m.
Superior sympathetic
ganglion
Middle sympathetic
ganglion
Inferior sympathetic
ganglion
Longus coli m.
Common carotid
artery (cut)
Dr.Sherif Fahmy