The basic functional unit of compact bone is the Haversian system or (a) osteocyte, (b) osteoclast, (c) osteon, (d) osseous matrix, (e) osseous lamellae.

Verified step by step guidance

1. Identify the basic functional unit of compact bone mentioned in the question.
2. Understand that the Haversian system is another name for this unit.
3. Review the options provided: osteocyte, osteoclast, osteon, osseous matrix, and osseous lamellae.
4. Recall the structure and function of each option in relation to bone tissue.
5. Determine which option correctly represents the same structure as the Haversian system.

Key Concepts

Haversian System

The Haversian system, also known as the osteon, is the fundamental structural unit of compact bone. It consists of concentric layers of mineralized matrix called lamellae, surrounding a central canal that contains blood vessels and nerves. This organization allows for efficient nutrient and waste exchange, contributing to the overall strength and resilience of bone tissue.

Osteon

An osteon is a cylindrical structure within compact bone that comprises the Haversian system. Each osteon contains a central canal, surrounded by layers of bone matrix, which are crucial for maintaining bone integrity and facilitating communication between bone cells. Osteons are essential for the mechanical support and metabolic functions of bone.

Bone Cells

Bone tissue is maintained by three main types of cells: osteocytes, osteoblasts, and osteoclasts. Osteocytes are mature bone cells that help maintain bone matrix, osteoblasts are responsible for bone formation, and osteoclasts are involved in bone resorption. Understanding the roles of these cells is vital for comprehending bone health and the dynamics of bone remodeling.