BONE Flashcards
Define Axial bones
Bones in the long axis of the body
eg. head, neck, thorax, abdomen
define appendicular bones
Dones appended to the axial skeleton
eg. shoulder, upper limb, lower limb, pubic
Which two bones make up the upper limb girdle?
Clavicle
Scapula (shoulder)
Which three bones make up the lower limb girdle?
Ilium
Pubis
Ischium (sit on)
fuse together with age
where is the metaphysis?
between epiphyses and medulla cavity
what is the function of compact bone?
structural support
what is the function of spongy bone?
support regeneration and absorb shock
what is the function of the marrow cavity?
produce blood cells
what is the periosteum?
Outer membrane covering the bone
Supports bone development (after fracture etc.) and nourishes tissue
what is the endosteum?
Inner membrane covering the bone
Describe appositional growth
Increase in width
Add tissue from outside (periosteum)
Describe interstitial growth
Increase in length
Cell division in cartilage growth plate (inside bone)
Give examples of irregular bones
Vertebrae
mandible
Give examples of long bones
humerus
femur
phalanges (fingers)
Give examples of flat bones
skull
ribs