-
neck deep fascia three layers
Investing layer : enclose trapezius and SCM MUSLCE
Pretracheal layer : surround the thyroid, parathyroid, infra hyoid muscle
Prevertebral layer : make axillary sheath in axillary -
Suprahyoid muscles ( pneumonic GSM/D)
Geniohyoid ( hypoglossal)
Stylohyoid ( facial )
Mylohyoid ( inferior alveolar)
Digestric ( facial and V3) -
infrahyoid muscles (OTSS)
Omohyoid
Thyrohyoid ( hypoglossal)
Sternohyoid
Sternothyroid
All supplied by anna cervicalis (c1,2,3) -
carotid sheath is condensation of all deep three facial layers of neck contain
1 Common carotid A
3Internal jugular V
2Deep cervical LN -
common carotid A divide at upper border of thyroid cartilage
-
branches of external C A
superior thyroid
Ascending pharyngeal
Lingual
Facial
Occipital
Posterior articulate
Superficial temporal
Maxillary ( branches middle meningeal A -
branches of Internal CA
Ophthalmic A
Anterior cerebral
Middle cerebral
Posterior communicating -
branches of subqclavein A
First part ( origin to medial border of scalenus anterior)
1,Vertebral A ( make basilar A)
2,Thyrocervical trunk ( inferior thyroid A, superficial cervical A, suprascapular A)
3, internal thoracic A( superior epigastric A)
Second part( behind the scalenus)
1, coatocervical trunk ( superior intercostal)
2,deep cervical A
Third part
No branches -
veinous supply of skull
Superior Sagittal sinus-right transverse sinus-sigmoid sinus
Inferior sagittal sinus -greater cerebral vein-straight sinus-left transverse sinus
Cavernous sinus -superior petrosal sinus -transverse sinus
Transverse sinus in to sigmoid sinus and then internal jugular vein -
internal and external jugular veins
Superficial temporal V- maxillary vein - retromadibular vein
Retromandibular vein
- 1)anterior- facial vein-internal jugular vein
- 2)posterior- posterior auricular vein - external jugular vein
- tributaries of internal jugular vein
Sigmoid sinuses
Inferior petrosal sinus
Facial vein ( anterior division of retromandibular
Pharyngeal
Lingual
Superior and middle thyroid