L6: Bone and Cartilage

What is compact bone?

Dense bone

What cell is involved in bone resorption?

Osteoclast

What type of basic tissue is bone?

Connective tissue

What is woven bone?

Immature bone

Which cell is responsible for bone breakdown?

Osteoclast

What forms the epiphyseal growth plate?

Hyaline cartilage

What sits in a lacuna (bone)?

Osteocyte

What is dense bone?

Compact bone

What is the cylindrical structure in compact bone?

Osteon (Haversian system)

What is the space an osteocyte rests in?

Lacuna

What is the primary component of red marrow?

Hematopoietic tissue

What is an immature bone cell?

Osteoblast

What is bundle bone?

Immature bone

What is the mature bone cell called?

Osteocyte

What is immature bone?

Woven bone

Which cell is multinucleated?

Osteoclast

What is spongy bone?

Cancellous bone

Where does a chondrocyte sit?

Lacuna

Which cartilage forms the intervertebral disc?

Fibrocartilage

Which cartilage contains elastic fibers?

Elastic cartilage

What cell produces cartilaginous matrix?

Chondroblast

Which cartilage is found in the larynx?

Elastic cartilage

What surrounds cartilage?

Perichondrium

Where does cartilage originate from?

Mesenchyme

What is the basic structural unit of compact bone?

Osteon (Haversian system)

What feature identifies woven bone under microscopy?

Irregular trabeculae with many osteocytes

Where is woven bone commonly found?

Fracture repair and fetal skeleton

Which structure is characteristic of mature bone?

Haversian system (osteons)

What is the mature cartilage cell called?

Chondrocyte

Which cartilage has type II collagen and glassy matrix?

Hyaline cartilage

Which cartilage has thick type I collagen and no perichondrium?

Fibrocartilage

Where are chondrocytes found?

Lacunae

Which cartilage has predominant collagen fibers?

Fibrocartilage

Which cartilage is best for intervertebral discs?

Fibrocartilage