CNS 1 Flashcards
(54 cards)
Temporalis Origin
Temporal fossa and inferior temporal line
Temporalis insertion
Coronoid process mandible
Temporalis nerve supply
Anterior division Mandibular nerve
Temporalis action
Elevation and retraction mandible
Masseter origin
Zygomatic arch
Masseter insertion
Outer surface of mandible ramus
Masseter nerve supply
Anterior division Mandibular nerve
Temporalis Origin
Temporal fossa and inferior temporal line
Temporalis insertion
Coronoid process mandible
Temporalis nerve supply
Anterior division Mandibular nerve
Temporalis action
Elevation and retraction mandible
Masseter origin
Zygomatic arch
Masseter insertion
Outer surface of mandible ramus
Masseter nerve supply
Anterior division Mandibular nerve
Masseter action
Elevation and protraction mandible
Sternomastoid origin
Medial 1/3 clavicle (Clavicular head) and manubrium sterni front (sternal head)
Sternomastoid Insertion
Lateral surface mastoid process and superior nuchal line
Sternomastoid Nerve supply
Spinal root accessory C2 and C3
Sternomastoid Action
Bend head same side and rotates face opposite side (one) and neck flexion (both)
Digastric origin
Digastric fossa
Mandible (anterior belly)
Digastric notch
Mastoid process (posterior belly)
Digastric insertion
Intermediate tendon
Digastric Nerve supply
Nerve to mylohyoid (anterior belly)
Facial nerve (posterior body)
Digastric Action
Hyoid elevation or mandible depression
CCA beginning
Right:
Behind right sternoclavicular joint from brachiocephalic artery
Left:
Behind manubrium sterni from aortic arch