Skeletal System Review (A&P)

Front

What is an osteon?

Back

An osteon, also known as a Haversian system, is the fundamental functional unit of compact bone, consisting of a central canal surrounded by concentric rings of bone matrix.

Front

What type of bone is the sternum classified as?

Back

The sternum is classified as a flat bone.

Front

What is the name of bone '11' in the human skull?

Back

Bone '11' is the frontal bone.

Front

Which bone is referred to as the ulna?

Back

The ulna is one of the two long bones in the forearm, located on the side opposite the thumb.

Front

What is the tibia commonly known as?

Back

The tibia is commonly known as the shinbone, and it is the larger and stronger of the two bones in the lower leg.

Front

What is the function of osteocytes?

Back

Osteocytes are mature bone cells that maintain bone tissue and communicate with other bone cells to regulate bone remodeling.

Front

What are the four main types of bones in the human body?

Back

The four main types of bones are long bones, short bones, flat bones, and irregular bones.

Front

What is the role of osteoblasts in bone formation?

Back

Osteoblasts are bone-forming cells that synthesize and secrete the bone matrix, leading to the formation of new bone.

Front

What is the significance of lacunae in bone tissue?

Back

Lacunae are small cavities in bone tissue that house osteocytes, allowing for nutrient exchange and communication.

Front

What is the difference between the femur and the fibula?

Back

The femur is the thigh bone and the longest bone in the body, while the fibula is a smaller bone located alongside the tibia in the lower leg.