muscles and bones Flashcards
where is the zygomatic bone and arch?
anatomy of mandible
what is this?
external occipital protuberance
which ones r muscles of mastication and which ones r muscles of facial expression
.
muscles forming floor of posterior traingle
name the muscles of mastication
What is foramen lacerum?
The foramen lacerum is NOT A TRUE FORAMEN
arises due to a small bit remaining between petrous part of temporal bone and sphenoid.
In life it is filled with cartilage and nothing of significance passes through it.
Importantly, the internal carotid artery, as it exits the carotid canal, runs over the top of foramen lacerum to enter into the cavernous sinus.
๏ทget bu ja3far and label๏ท on the skull.
Squamous part
Zygomatic process
Mastoid process
๏ท Styloid process
๏ท external auditory meatus
?
Petrous part of Temporal bone
It is one of the densest bones in the body.
stylomastoid foramen
wsh salfta?
just behing the (styloid process)
(ily shkla stylus)
sharp thingy
facial mever exits here!
superficial temporal line
superficial nucheal line and external occipital protrubence
Clivus
function?
clivus (Latin for โslopeโ)
Sliding
Identify the location of the following fossae on the skull.
- Temporalis fossa
- Infra-temporal
- Pterygopalatine (pterygomaxillary fossa
Pterygopalatine fossa, location,
It lies between pterygoid process sphenoid and the maxilla-
above, it opens into the inferior orbital fissure
what is the arrow pointing to?
inferior orbital fissure
the Pterygopalatine fossa opens to it!
terminal branches of maxillar artery
all branches of maxillary nerve
Label foramin aof the skull base
Explian the dural venous sinuses in relation to the cranial fossaโs
What does the formane ovale exit into
infratemporal fossa
Which foramina r in the middle cranial fossa?
