General Organisation Flashcards
Which part of the skull contains the brain?
Neurocranium
Which part of the skull makes up the face?
Viscerocranium
The muscles of facial expression are innervated by which nerve?
Facial nerve (Cranial nerve 7)
The muscles of mastication are innervated by which nerve?
Trigeminal nerve (Cranial nerve 5)
Which key structure do the facial nerve branches pass through?
Parotid gland
What are the 5 facial nerve branches?
Temporal, Zygomatic, Buccal, Marginal mandibular, Cervical
What are the 3 Trigeminal nerve branches?
Opthalmic, Maxillary, Mandibular
Which trigeminal nerve branch also has motor innervation?
Mandibular
What is the main arterial supply to the head and neck?
Common carotid artery
What is the main vein draining the head and neck?
Internal jugular vein
Which nerve innervates the sternocleidomastoid?
Spinal accessory nerve
Which nerve innervates the platysma?
Facial nerve
Which nerve innervates the trapezius?
Spinal accessory nerve
What structures form the borders of the posterior triangle?
SCM, trapezius, clavicle
What structures form the borders of the anterior triangle?
midline of neck, inferior margin of mandible, SCM
