Fascia of the neck Flashcards
How is the neck viewed in cross-section?
Looking from feet
up to head
Where does the neck begin?
Inferior border of mandible
Where does the neck end?
Suprasternal notch of manubrium
Upper border of clavicle
What structures organise the contents of the neck?
Cervical fascia
What are the types of cervical fascia?
Superficial cervical fascia
Deep cervical fascia
How many superficial cervical fascia layers are there?
Just one
Where is the superficial cervical fascia located?
Just deep to the skin
What type of tissue is the superficial cervical fascia made up of?
Loose connective tissue that contains lots of adipose tissue
What structures does the superficial cervical fascia contain?
Superficial veins
Cutaneous nerves
Lymph nodes
Platysma
What type of tissue is the deep cervical fascia made up of?
Dense connective tissue
How many deep cervical fascia layers are there?
Three
What are the deep cervical fascia layers?
Investing layer
Pre-tracheal fascia
Pre-vertebral fascia
Carotid sheath
How are the deep cervical fascia layers arranged in the neck?
From anterior neck, superficial to deep
- investing layer
- pre-tracheal fascia
- pre-vertebral fascia
What does the investing layer contain?
Surrounds the whole neck
Splits to contain the sternocleidomastoid muscle and the trapezius muscle
What is the investing layer attached to?
Superiorly attaches to
- inferior border of mandible
- mastoid process
- superior nuschal line
- external occipital protruberance
- nuschal ligament
- spinous processes
Inferiorly attaches to
- superior border of manubrium
- superior surface of clavicle
- acromion of scapula
- spine of scapula
Where is the pre-tracheal fascia located?
In the anterior part of the neck
What are the parts of the pre-tracheal fascia? How are they arranged?
Muscular layer - anteriorly
Visceral layer - posteriorly
Buccopharyngeal fascia - posterior wall
What does the muscular layer of the pre-tracheal fascia contain?
Infrahyoid muscles