Anatomy Flashcards
Borders of the posterior triangle
Anterior: SCM
Posterior: Trapezius
Inferior: Clavicle
Borders of the anterior triangle
Lateral: SCM
Superior: Mandible
Medial: Line from mandible to the sternum
Borders of the carotid triangle
Lateral: SCM
Superior: Posterior belly of the digastric
Medial: Superior belly of omohyoid
Contents of the carotid triangle
Internal jugular, Bifurcation of the common carotid
Describe the deep cervical fascia
Wraps around the whole neck, Divides around the SCM and trapezius
Describe the pretracheal fascia
Surrounds oesophagus, trachea, and thyroid
Contents of the carotid sheathes
Common carotid, Internal juggular, Vagus, Deep cervical lymph nodes
Describe the prevertabral fascia
Surrounds vertebrae from the base of the skull to T3
Action and innervation of SCM
Flex and rotate the neck, CN XI
Action and innervation of trapezius
Extend neck, CN XI
Action and innervation of platysma
Depress the lower lip, CN VII
List the suprahyoid muscles
Digastric, Geniohyoid, Stylohyoid, Mylohyoid
List the infrahyoid muscles
Omohyoid, Thyrohoid, Sternohyoid, Sternothyroid
Action of the suprahyoid muscles
Elevate hyoid and larynx
Action of the infrahyoid muscles
Depress the larynx
List the muscles of mastication
Masseters, Temporalis, Buccinators, Medial and lateral pterygoids
Innervation of the muscles of mastication
Trigeminal nerve
Innervation of muscles of facial expression
Facial nerve
Branches of the external carotid
Superior thyroid, Lingual, Facial, Ascending pharengeal, Occipital, Posterior auricular, Superficial temporal, Maxillary
Area supplied by the superior thyroid artery
Thyroid
Area supplied by the lingual artery
Tongue, Palatine tonsils
Area supplied by the facial artery
Face, Muscles of mastication and facial expression
Area supplied by the ascending pharengeal artery
Pharynx
Area supplied by the Occipital artery
Scalp, SCM, Superior oblique