Organisation Of head and Neck Flashcards
What does the superficial cervical fascia contain?
Superficial blood vessels (anterior and external jugular veins)
Cutaneous nerves
Superficial lymph nodes
Platysma muscle
What are the superior and inferior attachments of the pretracheal fascia?
What does the visceral portion of it contain?
Superiorly (and anteriorly) hyoid bone
Inferiorly blends in with the fibrous pericardium
Visceral - oesophagus, thyroid and trachea
What does the posterior aspect of the pretracheal fascia’s visceral layer form and what are its attachments?
Buccopharyngeal membrane - extends from the base of the skull to the diaphragm.
What does the prevertebral layer of fascia envelope?
What are its boundaries and what does it extend laterally as, what does this extension house?
Vertebrae
Scalenes
Pre-vertebral muscles
Deep muscles of the back
Runs from the base of the cranium to the 3rd thoracic vertebrae
Extends laterally as the axillary sheath.
Brachial plexus and axillary vessels
What is the most medial structure in the carotid sheath?
Where does it start and terminate?
What runs posteromedially to it?
Common carotid (internal carotid)
Base of the skull -> root of the aorta.
Sympathetic chain
What does the retropharyngeal space contain?
Where does it allow infection to spread?
Until age 3/4 lymph nodes that drain nose, oral cavity and the upper pharynx.
Posterior mediastinum (mediastinitis)
Why may you get breathlessness/ stridor with goitre?
Facial oedema?
Retro sternal - compression of trachea
Venous compression
What is the sensory supply to:
Upper lip
Lower lip
Top of nose
Upper eyelid
Forehead
Vb
Vc
Vb
Va
Va
The strap muscles lie posterior to the thyroid and larynx.
True or false
False
