W4 anatomy of human skull Flashcards
(47 cards)
what’s the role of the neurocranium
protect the brain
what is the splanchnocranium
framework of the face and cavities for sense organs
what 2 parts make up the cranium
neurocranium splanchocranium
how many cranial bones are there
8
how many and where are the parietal bones
2 and on the left and right side of skull
where is the frontal bone found
anterior part of skull
where is the occipital bone found
posterior part of skull
how many facial bones are there
11
where do cranial nerves pass through
foramina of skull
what are the 4 pneumatic bones in the skull
maxillary
frontal
sphenoid
ethmoid
what are the 4 paranasal sinuses
frontal
sphenoid
ethmoid
maxillary
what is the role of fontanelle
allow growth and flexibility of skull
which parts of the skull are in the anterior cranial fossa
frontal
sphenoid
ethmoid
which parts of the skull are in the middle cranial fossa
sphenoid
parietal
temporal
which parts of the skull are in the posterior cranial fossa
sphenoid
parietal
temporal
occipital
where does olfactory nerve (1) run through
olfactory bulb to cribriform plate to nasal cavity
where does optic nerve (2) run through
transverses optic canal to orbital
which nerves pass through superior orbital fissure
- oculomotor
- trochlear
- abducens
- ophthalmic branch of trigeminal nerve
what does the trigeminal nerve split branch into
ophthalmic
maxillary
mandibular
where does the maxillary branch of trigeminal nerve leave through
foramen rotundum
where do facial (7) and vestibulocochlear (8) nerve enter
internal acoustic meatus
where does facial nerve leave from
stylomastoid foramen
which nerves leave through jugular foramen
Glossopharyngeal (IX) Vagus (X)
spinal accessory nerves (XI)
where does hypoglossal nerve leave from
hypoglossal canal
