Biology Flashcard

Front

What are osteoclasts?

Back

Osteoclasts are specialized cells that break down spongy bone to replace it with hard compact bone.

Front

What is the role of fibroblasts in tissue healing?

Back

Fibroblasts are cells that produce collagen, which is essential for the healing process.

Front

What is a lacuna in bone structure?

Back

A lacuna is a small cavity in bone that houses osteocytes.

Front

How does calcitonin affect bone remodeling?

Back

Calcitonin decreases osteoclast activity, which helps to lower blood calcium levels and promote bone formation.

Front

What is required for collagen synthesis?

Back

Protein is essential for the formation of collagen.

Front

What are osteoblasts?

Back

Osteoblasts are cells responsible for bone formation by producing new bone matrix.

Front

What is the function of chondrocytes?

Back

Chondrocytes are cells that produce and maintain cartilage.

Front

What is the role of phagocytes in the body?

Back

Phagocytes are immune cells that engulf and digest cellular debris and pathogens.

Front

What is the difference between compact bone and spongy bone?

Back

Compact bone is dense and forms the outer layer of bones, while spongy bone is lighter and contains a network of trabeculae.

Front

What is the significance of canaliculi in bone?

Back

Canaliculi are small channels that connect lacunae and allow for communication and nutrient exchange between osteocytes.