Chapter 66 Flashcards
What are the types of bones?
Long bones, short bones, flat bones, and irregular bones.
How many bones are there in the human body?
206
What is the shaft of the bone called?
The diaphysis.
What are the ends of long bones called?
Epiphyses.
What covers the ends of long bones?
Cartilage.
What are long bones designed for question
Weight-bearing and movement.
What is the significance of flat bones?
Hematopoiesis and protection of vital organs.
What are the three major cell types and bones?
Osteoblasts, osteocytes and osteoclasts.
What are circles of mineralized bone matrix called question
Lamellae.
What is the fibrous membrane that covers bones?
The periosteum.
What is the thin vascular membrane that covers the marrow cavity of long bones and the spaces in cancellous bones?
The endosteum.
Where is red bone marrow located?
The sternum, ilium, vertebrae and ribs in adults.
What is another word for bone formation?
Osteogenesis.
What is the process by which bone matrix is formed?
Ossification.
How do bones grow during childhood?
Modeling.
What process do adult bones undergo?
Remodeling.
How often does complete skeletal turnover occur?
Every 10 years.