random anatomy Flashcards
temporalis inserts on
coronoid process
what inserts on the lingula?
sphenomandibular ligament
branches of the thyrocervical trunk
- inferior thyroid a.
- transverse cervical a.
- suprascapular a.
nuchal ligament
- forms septum in posterior neck
- prevents hyperflexion
hangmans fracture
- bilateral
- thru pedicles of C2
Jefferson fracture
- compression fracture
- C1
- transverse ligament tear
-anterior/posterior arch, lateral split
clay shoveler’s fracture
- C6-T1
- avulsion of spinous process
nerve point
- great auricular
- lesser occipital
- transverse cervical
- supraclavicular
posterior portion of scalp/neck innervated by (sensory)
DORSAL rami of cervical nerves
nerve to mylohyoid
- what is it a branch of?
- what does it innervate?
- branch of inferior alveolar n (V3)
- innervates mylohyoid and anterior digastric
fxn of mylohyoid
- elevates floor of mouth
- depresses mandible or elevates hyoid
most muscles of the head/neck are supplied by branches of cranial nerves or ventral rami of cervical nerves. What is the exception?
suboccipital region
-supplied by the DORSAL rami of cervical nerves (suboccipital n)
cervical sinus/fistula
- develops when clefts 2-4 are not obliterated by overgrowth of 2nd arch
- typically anterior to SCM
artery and nerve that are 90 deg to each other near thyroid
- recurrent laryngeal n
- inferior thyroid artery
“danger space” between which fascial layers?
- prevertebral
- alar
epidural hematoma
- rupture of middle meningeal artery
- lens shaped
subdural hematoma
- bridging/cerebral vein
- crescent shape
subarachnoid hematoma
- cerebral artery
- irregular shape
papilledema
- swelling of optic disc
- caused by increased intracranial pressure
- occludes central vein of retina
- blindness in that eye
cleft lip
- intermaxillary prominence
- maxillary swelling
primary palate
-intermaxillary segment of medial nasal processes
secondary palate
palatine shelves from maxillae
incisive foramen forms between
- primary palate
- secondary palate
skull bones except ________ form from neural crest cells
occipital
highlights arch 1
- CN V
- maxillary artery
- face bones
- muscles of mastication
highlights arch 2
- CN VII
- stapedial artery, corticotympanic a
- stapes, ligament, upper hyoid
- FACIAL MUSCLES
highlights arch 3
- CN IX
- common carotid
- lower hyoid
- stylopharyngeus m
highlights arch 4
- CN X (sup laryngeal br)
- aorta, R subclavian
- laryngeal cartilage
highlights arch 6
- CN X (recurrent laryngeal)
- ductus arteriosus
- laryngeal cartilage
third pouch
- inferior parathyroid
- thymus
fourth pouch
- superior parathyroid
- parafollicular cells of thyroid
branchial cleft cyst - failure of obliteration of which branchial cleft?
second
sensation to TMJ?
auriculotemporal n
also sensation to :
- skin over temporalis m
- upper part of ear
drains into inferior meatus?
nasolacrimal duct
sphenoid sinus drains into?
sphenoethmoidal recess
drains into superior meatus?
POSTERIOR ethmoid air cells
sensation to internal side of tympanic membrane?
glossopharyngeal n
sensation to external side of tympanic membrane?
auricular br. of facial
auricular br of vagus
danger area/nose to cavernous sinus
- nasal venous tributary
- angular vein
- superior ophthalmic v
- cavernous sinus
