CRANIUM 2 Flashcards
WHERE WOULD YOU FIND THE VOMER BONE
part of nasal septum
WHERE WOULD YOU FIND THE LACRIMAL BONES
near the orbit , 2 small bones
WHERE WOULD YOU FIND THE 2 INFERIOR NASAL CONCHAE
bones , inside nasal cavity
INION
outermost protrusion of occipital bone
FONTANELLE
soft spot in infants skull where bones have not yet fused together
largest = anterior at bregma site
WHAT BONES MAKE UP THE NASAL SEPTUM
superiorly (perpendicular plate of) ethmoid bone and inferiorly vomer
NASION
junction of nasal bones and frontal bones
WHERE ARE THE PARANASAL SINUSES FOUND
frontal - in between eyebrows
maxillary - below eyes above teeth
ethmoid - either side of bridge of nose
sphenoid - deep behind ethmoid
VERTEX
superior point of neurocranium centred in middle
ASTERION
star shaped junction of occipital, parietal and temporal bones
WHAT CAN TRAUMA AT PTERION SITE LEAD TO
extradural haematoma
middle meningeal artery lies just below
WHAT ARE THE 3 FORAMEN ON CN V THAT CAN BE SEEN FROM A FRONTAL VIEW OF THE SKULL
CN V1 - supra orbital notch/ foramen
CNV2 - infra orbital foramen
CNV3 - mental foramen
LIGAMENTUM NUCHAE FUNCTION
attaches external occipital protuberance and foramen magnum to spinous processes of cervical vertebrae
supports head and resists flexion
WHAT CERVICAL VERTEBRAE HAVE A BIFID SPINOUS PROCESS
C2-6
WHY IS C7 SPINOUS PROCESS NON BIFID
serves as attachment point for ligamentum nuchae
