11 Fascial Planes of the Neck Flashcards
Name the rough layers of the neck
skin
subcutaneous fat / superficial fascia
platysma muscle (anteiorly)
deep cervical fascia
Name the deep cervical fascia
investing fascia
pretracheal fascia
prevertbral fascia
carotid sheaths (alar fascia)
What does the investing layer of deep fascia contain?
platysma
trapezius
SCM
submandibular gland
What does the pretracheal fascia contain?
infrahyoid muscle
trachea
oesophagus
thyroid gland
What thoracic structure if the pretracheal fascia continuous with?
pericardium
What does the prevertebral fascia contain?
vertebral column
muscles of the paravertebral region
What does the prevertebral fascia attach to superiorly?
cranial base
What does the prevertbral fascia attach to inferiorly?
endothoracic fascia
What is the axillary sheath?
a continuation of the prevertebral fascia
Where does the carotid sheath extend to and from?
cranial base to 1st rib and sternum
What are the 4 different space types in the head and neck?
fascial spaces of teh face
suprahyoid fascial spaces
infrahyoid fascial spaces
fascial spaces of the neck
How many spaces are there int he head and neck in total?
16
How many fascial spaces of the face are there?
5
How many suprahyoid fascial spaces are there?
5
How many infrahyoid fascial spaces are there?
1
How many fascial spaces of the neck are there?
5
What joins the carotid sheaths?
alar fascia
What 2 spaces does the alar fascia create?
between muscular layer and alar fascia
between visceral layer and alar fascia
Where is the prevertebral space?
between the prevertebral fascia and the anterior surface of the vertebral bodies of the cervical spine
Where is the retropharyngeal space?
between alar fascia and pretracheal fascia
Where is the danger space?
between teh alar fascia and the muscular compartment fascia
Name 3 potential spaces of the neck
prevertebral space
retropharyngeal space
danger space
Where might infection between investing and pretracheal fascia spread to?
thoracic cavity
Where might an abscess posterior to the prevertebral layer extend?
laterally to SCm
Where might a retorpharyngeal abscess spread?
superior mediastinum