Hard Tissue (Bone) Flashcards
Bone consists of what three things:
Collagen
Ground substance
Minerals
(in a matrix)
Purpose of skeletal system?
Protect (internal organs)
Rigid kinematic links
muscle attachment
Facilitate body movement and muscle action
Doe bones remain active throughout life?
yes
One of the most dynamic and metabolically active tissues in the body.
bone
Is bone vascular?
Yes, highly
Does if have the capacity for self-repair?
Yes, excellent
Which is tougher, cortical or trabecular bone?
trabecular
Exhibits distinct mechanical properties when loaded along various axes because its structure differs in the transverse and longitudinal directions:
anisotropic
Cortical bone can tolerate _____ loads better than _____ loads
Longitudinal
transverse
How can bone fractures be produced?
By a single load that exceeds the ultimate strength of the bone or
By repeated applications of lower-magnitude load (fatigue/stress fracture)
Cortical bone can with strand greater stress ______>______>_____
Compression
Tension
shear
Bone has the ability to remodel. What is this called?
Wolff’s Law