Cartilage & Bone Structure
What cells are found in cartilage?
Chondroïytes
Which cells build new bone?
Osteoblasts
How many bones are typically in the adult human skeleton?
206
What is the name for the lattice-like structures found in spongy bone?
Trabeculae
What is another name for a joint?
Articulation
What type of cartilage is found in the external ear?
Elastic cartilage
What cells break down bone tissue?
Osteoclasts
What part of the skeleton includes the skull, ribs, and vertebral column and thoracic cage?
Axial skeleton
What is the hollow space in the shaft of a long bone called?
Medullary cavity
What are the three structural types of joints?
Fibrous, cartilaginous and synovial
What is the shaft of a long bone called?
Diaphysis
What are mature bone cells called?
Osteocytes
What part of the skeleton includes the limbs and their girdles?
Appendicular skeleton
What is the mature bone matrix called before it becomes mineralized?
Osteoid
What fluid lubricants synovial joints?
Synovial fluid
What membrane covers the outside of a bone?
Periosteum
What is the process of making blood cells called?
Hematopoiesis
What type of bone is the patella?
Sesamoid bone
What are the small spaces that house osteocytes called?
Lacunae
What movement decreases the angle between two bones?
Flexion
What is the structural unit of compact bone?
Osteon
What organic material and bone helps provide flexibility and tensile strength?
Collagen
How many pairs of ribs are in the human have?
12 pairs
What are the tiny channels connecting lacunae called?
Canaliculi
Which joint is a ball -and-socket joint with the greatest freedom of movement?
Shoulder joint