PSIO 201 Practical 2

frontal bone

parietal bone

occipital bone

foramen magnum of the occipital bone

external occipital protuberance of the occipital bone

occipital condyles of the occipital bone

temporal bone

external auditory meatus of the temporal bone

zygomatic process of the temporal bone

temporal process of the zygomatic bone

zygomatic arch of the temporal bone

styloid process of the temporal bone

mastoid process of the temporal bone

mandibular fossa of the temporal bone

ethmoid bone

crista galli of the ethmoid bone

cribriform plate of the ethmoid bone

olfactory foramina of the ethmoid bone

for cranial nerves

what goes through these holes

perpendicular plate of the ethmoid bone

middle nasal concha of the ethmoid bone

inferior nasal concha of the ethmoid bone

superior nasal concha of the ethmoid bone

vomer of the nasal septum

sphenoid bone

lesser wing of the sphenoid bone

greater wing of the sphenoid bone

sella turica of the sphenoid bone

optic canals of the sphenoid bone

maxilla

alveoli of the maxilla bone

palatine process of the maxilla bone

mandible

mental foramina of the mandible

body of the mandible

ramus of the mandible

mandibular condyle of the mandible

coronoid process of the mandible

alveoli of the mandible

lacrimal bone

palatine bones

80 bones

skull, hyoid, auditory ossicles, vertebral column, and thorax

axial skeleton (made up of)

protection of internal organs

axial skeleton (function)

126 bones

pectoral girdle, upper limbs, pelvic girdle, and lower limbs

appendicular skeleton (made up of)

movement

appendicular skeleton (function)

long bones

greater length than width

ex: humerus

flat bones

thin and flat

ex: sternum

short bones

equal in width and length

ex: trapezoid

sutural bones

located between some cranial bones

formed between sutures

sesamoid bones

develop where there is friction, tension, and physical stress

ex: patella

irregular bones

complex shape

ex: vertebrae

fissure

narrow slit of cleft in a bone

foramen

opening or hole

fossa

shallow depressoin

meatus

tube-like passageway or opening

condyle

smooth, rounded articular process

ramus

a small branch

spine

pointed process

anterior fontanel

anterolateral fontanel

posterior fontanel

posterolateral fontanel

fontanels (types)

"little fountain"

"soft spot"

fontanel fun fact

mishapen skull

abnormal fontanels

hard ridges along sutures

neurodevelopmental delays

fussy baby

warning signs of craniosynostosis

syndromic and non syndromic

two causes of craniosynostosis

cranial orthosis

endoscopic surgery

cranial vault remodeling

three treatment options for craniosynostosis

cervical

thoracic

lumbar

sacrum

coccyx

regions of the vertebral column

spinous process of thoracic vertebrae

transverse process of thoracic vertebrae

vertebral foramen of thoracic vertebrae

vertebral body of thoracic vertebrae

E

vertebral arch of thoracic vertebrae: lamina

G

pedicle of thoracic vertebrae

superior facet of articular process

inferior articular process

facet for head of rib

superior demifacet of thoracic vertebrae

top arrow

inferior demifacet of thoracic vertebrae

bottom arrow

atlas

axis

dens of axis

cervical vertebrae

thoracic vertebrae

lumbar vertebrae

sacrum

coccyx

lateral sacral crest

median sacral crest

base of sacrum

superior articular facet of sacrum

sacral canal

manubrium of sternum

jugular notch of sternum

D

clavicular notch of sternum

sternal angle of sternum

E

body of sternum

B

xiphoid process of sternum

C

hyoid bone

clavicle

scapula

pectoral girdle

calvicle

acromial end of clavicle

sternal end of clavicle

articulates with clavicular notch of sternum

opposite end

articulation?

scapula

acromion of scapula