4.3 Physiology of the Skeletal System: Bone Development and Cells Part 3 Flashcards
What is a greenstick fracture?
when the bone bends and breaks, but not all the way across
When do greenstick fractures normally occur and why?
childhood; bone tissue is still developing and soft
What is a comminuted fracture?
when a bone is broken into two or more segments
How are comminuted fractures typically repaired?
surgically
What is an impacted bone fracture?
when one end of the broken bone shaft is pushed inside the other part of the bone
What joints are subject to arthritis?
synovial joints
What is rheumatoid arthritis?
synovial membrane becomes inflamed and thickens
What is osteoarthritis?
articular cartilage at the ends of the bones disintegrates
What is osteoarthritis also known as?
old age arthritis
Which types of joints is osteoarthritis most likely to affect?
joints that have received the greatest use over the years
What is osteoporosis?
bone tissue disease; when bone tissue degenerates faster than is replaced
What is a result of osteoporosis?
weakened bones that are more likely to fracture