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