arm bone
Ulna or radius
Either of the two long bones in the human arm.
The humerus runs from shoulder to elbow; the radius and ulna run parallel from elbow to wrist, though these are more precisely forearm bones.
The X-ray showed a fracture in the arm bone.
Upper arm's long bone
- ulnaInner forearm bone
- radiusCenter-to-perimeter distance
- carpalsWrist's skeletal components
- metacarpalsBones connecting wrist to fingers
phalanges · joint · marrow · osteocyte · periosteum · cortex · epiphysis · medullary
Split in hard material
- breakInterrupt continuity
- greenstickBone bends, partly breaks
- spiral fractureBone broken by rotation
- compound fractureBone snaps through skin
hairline crack · splint · cast · sling · dislocation · reduction · healing · callus
Posterior thoracic bone
- clavicleHorizontal bone above ribs
- shoulder girdleBone ring supporting arms
- ribcageBony chest enclosure
- sternumFlat chest bone
vertebrae · skull · pelvis · femur · tibia · fibula · patella · mandible
Resistance to wear
- densityMass-to-volume ratio
- calcificationMineral hardening of tissue
- mineralizationConversion to mineral form
- corticalOf an outer layer
trabecular · calcium · phosphorus · collagen · rigidity · strength · hardness · porosity
humerus
Upper arm's long bone
metacarpals · phalanges · joint · marrow · osteocyte · periosteum · cortex · epiphysis · medullary · olecranon
fracture
Split in hard material
- breakInterrupt continuity
- greenstickBone bends, partly breaks
- spiral fractureBone broken by rotation
compound fracture · hairline crack · splint · cast · sling · dislocation · reduction · healing · callus · pinning
scapula
Posterior thoracic bone
- clavicleHorizontal bone above ribs
- shoulder girdleBone ring supporting arms
- ribcageBony chest enclosure
sternum · vertebrae · skull · pelvis · femur · tibia · fibula · patella · mandible · skeletal system
durability
Resistance to wear
- densityMass-to-volume ratio
- calcificationMineral hardening of tissue
- mineralizationConversion to mineral form
cortical · trabecular · calcium · phosphorus · collagen · rigidity · strength · hardness · porosity · remodeling
- arm boneshumerus, radius, ulna, carpals, metacarpals
- upper bodyforearm, elbow, wrist, hand, shoulder
- relicsholy relics, saints' relics, skull, tooth, teeth
- upper armhumerus, biceps, triceps, brachialis, triceps brachii