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axial skeleton (general)
head, neck, trunk
appendicular skeleton (general)
appendages and bones that anchor to the axial skeleton
axial skeletal bones
  • skull (cranium, face)
  • middle ear
  • hyoid bone
  • vertebral column (vertebrae, sacrum, coccyx)
  • thoracic cage (ribs (24), sternum)
appendicular skeletal bones
  • pectoral girdle (scapula, clavicle)
  • upper limbs (humerus, radius, ulna, carpal, metacarpal, phalanx)
  • pelvic girdle (hip bone-coxa, pelvic bone, innominate)
  • lower limbs-femur, tibia, fibula, patella, tarsal, metatarsal, phalanx
How many bones?
  • 206-adult
  • 275-at birth
projections
  • crest
  • epicondyle
  • line
  • process
  • protuberance
  • ramus
  • spine
  • trochanter
  • tubercle
  • tuberosity
crest
ridgelike projection ie hipbone
epicondyle
ridge superior to condyle ie femur
line
lightly raised ridge ie femur
process
prominent ridge ie vertebra
protuberance
outgrowth projection ie occipital bone of skull
ramus
extension projection ie hip bone
spine
thornlike projection ie scapula
trochanter
large projection ie femur
tubercle
knoblike projection ie humerus
tuberosity
rough elevation projection ie tibia
condyle
rounded process articulation ie occipital bones in skull
facet
nearly flat articulation ie vertebra
head
expanded end articulation ie femur
fossa
shallow basin depression ie humerus
fovea
tiny pit depression ie femur
TheĀ _____ bone supports the tongue.
hyoid
The _____ at the inferior end of the sacrum is composed of several fuse vertebrae.
coccyx
canal
tubular passage opening ie occipital bone
fissure
slit opening ie orbit
foramen
hole opening ie vertebra
meatus
tubelike opening ie temporal bone
sinus
cavity opening ie maxilla
Extra bones that sometimes develop between flat bones of teh skull are called ____.
sutural
Small bones occurring in some tendons are called ______ bones.
sesamoid
Most ribs are attached anteriorly to theĀ _____.
sternum with hyaline cartilage
The thoracic cage is composed of _____ pairs of ribs.
12
The wrist is composed of 8 bones called the _____.
carpals
Hip bones are attached posteriorly to the _____.
sacrum
The pelvic girdle, sacrum and coccyx together form the _____.
pelvis
The bones that articulate with the distal ends of the tibia and fibula are called _____.
tarsals
Small, nearly flat articular surface:
facet
Deep depression or shallow basin:
fossa
Rounded process:
condyle
Opening or passageway:
foramen
Interlocking line of union:
suture
Narrow, ridgelike projection:
crest
Soft region between bones of skull:
fontanel
Tubelike passageway:
meatus
Tiny pit or depression:
fovea
Small, knoblike process:
tubercle
Thornlike projection:
spine
Rounded enlargement at end of bone:
head
Air-filled cavity within the bone:
sinus
Relatively large process:
trochanter
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