overall Flashcards
what is in the digastric triangle
- submandibular gland
what is within the carotid triangle
- internal juglular
- common, internal and external carotids
- vagus nerve
what is in the submental triangle
- suprahyoid
- mylohyoid
list the suprahyoid muscles
- digastric
- stylohyoid
- geniohyoid
- mylohyoid
list the infrahyoid muscles
- thyrohyoid
- sternothyroid
- sternothyroid
- omohyoid
list the styloid muscles
- stylopharyngeus
- stylohyoid
- styloglossus
muscles in the floor of posterior triangle
- splenius capitus
- levator scapulae
- scalene muscles
list the 7 bones that contribute to the bony orbit
- frontal
- zygomatic
- maxilla
- sphenoid
- ethmoid
- lacrimal
- palatine
what exits out of the sof
ophthalmic
abducents
trochlear
oculomotor
extrinsic eye muscles
superior inferior medial and leteral RECTI muscles
superior and inferior oblique
LPS
What are the extrinsic eye muscles innervated y
oculomotor except for superior oblique which is innervated by trochlear
list the three layers of the eyeball
fibrous layer - sclera and cornea
vascular layer - choroid, cillary body, and iris
neural layer - retina
how does contraction occur
via circular muscles (pupillary sphincter)
dilation via radial muscles
where does aqueous humour drain via
canal of schlemm - and from there into the venous system and remaining 20% into the uveoscleral angle
branches of ophthalmic nerve
nasociliary
frontal
lacrimal
list the branches of the arch of aorta
brachiocephalic
left common carotid
left subclavian
list the branches of the brachiocephalic vein
- right subclavian artery
- right common carotid artery
branches of the subclavian artery
vit-c
branches of external carotid artery
SOME ANGRY LADY FIGURED OUT PMS
superior thyroid
ascending pharyngeal
lingual
facial
occipital
posterior auricular
maxillary
superficial temporal artery
what does the vertebral artery anastomose to form
basilar artery on the clivus
blood supply to the thyroid gland
inferior thyroid artery from thyrocervical trunk
superior thyroid artery from external carotid artery
branches of the trigeminal division
ophhalmic
maxillary
mandibular
branches of maxillary nerv
- superior alveolar
- middle meningeal nerve
- infraorbital nerve
- zygomatic nerve
- inferior palpebral nerve
- superior labial nerve
- pharyngeal nerve
- greater and lesser palatine nerve
- nasopalatine nerve
which two nerves form the facial nerve
supratrochlear and supraorbital
list the extracranail branches ofo the facial nerve
frontal
zygomatic
buccal
mandibular
cervical
list the intercranial branches of the facial nerve
greater petrosal nerve
chorda tympani nerve
nerve to stapedius
where do the intercranial branches of the facial nerve travel
internal acoustic meatus
where do the intercranial branches of the facial nerve exit the skull via
stylomastoid foramen
facial artery branches ANA PLS SIT
Ascending palatine
premasseteric artery
lateral nasal artery
submental artery
superior labial artery
inferior labial artery
tonsilar artery
otgher branches of the maxillary nrve
zygomatico-temporal
- zygomatico-facial
alveolar nerves of the maxillary nerve
anterior superior alveolar
middle superior alveolar
posterior superior alveolar
what leaves through internal acoustic meatus
facial nerve and vestibulocochlear nervew
what leaves through foramen rotudnum
maxillary
what leaves through jugular foramen
vagus
spinal accessory
glossopharyngeal
branches of the superficial temporal arteryt
transverse facial
zygomatico-orbital
where does internal carotid artery pass through
through carotid canal and foramen lacerum
list the 7 muscles which insert into the modiolous
- risororius
- orbicularis oris
- platysma
- zygomatic major
- levator anguli oris
-buccinator - depressor anguli oris
which muscles lift the lips up
- LLSAN
- levator labi superioris
- zygomatic minor
forehead, eyes and nose supplied by
temporal
zygomatic
buccal
lips cheeks and chin supplied by
zygomatic
buccal
mandibular
where does the parotid duct leave via
- anterior border
cross the superficial surface of massetter, pierces the upper buccinator and then empties into vestibule
what is in the geniculae ganglion
sensory cell bodies of the facial nerve
where does the chorda tympani join the lingual nerve
emerges from the petrotympanic fissure deep to the lateral pterygoid muscle
muscles of tympanic cavity
tensor tympani and stapedius
what is tensor tymoani innervated by
medial pterygoid branch
what is stapedius innervated by
nerve to stapedius
bones of the middle ear
stapedius
stapes
malleus
incus
tensor tympani muscle
tympanic membrane
structures in the inner ear
vestibulocochlear nevre
semicircular canal
blood supply to the middle ear
- posterior auricular artery
- temporal branch of maxillary artery
smaller branches of the middle ear
- middle meningeal
- ascending pharyngeal
- artery of pterygoid canal
