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MindMap Gallery T.S of compact bone

T.S of compact bone

The compact bone is a dense and hard tissue that forms the outer layer of bones. It provides strength, support, and protection to the skeletal system. Understanding the internal structure of compact bone is essential for comprehending its functions and how it contributes to overall bone health. This mind map explores the transverse section (T.S) of compact bone, delving into its microscopic components and organization. From the Haversian systems and lamellae to osteocytes and canaliculi, this mind map provides a comprehensive overview of the intricate structure of compact bone. Join us as we dissect the T.S of compact bone and gain a deeper understanding of its role in maintaining skeletal integrity.

Edited at 2023-11-04 11:30:57

T.S of compact bone

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T.S of compact bone

Definition and main features

Compact bone is one of the two types of osseous tissue in bones.

It forms the outer layer of most bones and provides strength and support.

Compact bone is densely packed, resulting in a solid and hard structure.

It consists of osteons, lamellae, osteocytes, and canaliculi.

Its Haversian systems are arranged parallel to the long axis of bones.

Structure of compact bone

Osteon

Osteons are cylindrical structures that make up the compact bone.

Each osteon consists of concentric layers of lamellae.

Lamellae

Lamellae are concentric rings of calcified matrix.

They are arranged around a central Haversian canal.

Lamellae provide mechanical strength and support to the bone.

Haversian canal

Haversian canal is the central canal of each osteon.

It contains blood vessels, nerves, and lymphatics.

Haversian canals provide nutrients and oxygen to osteocytes.

Osteocytes

Osteocytes are mature bone cells located within lacunae.

They are connected to each other and to the Haversian canal by canaliculi.

Osteocytes maintain the bone tissue and regulate mineral homeostasis.

Canaliculi

Canaliculi are tiny canals that connect lacunae and Haversian canals.

They allow for the exchange of nutrients, waste, and signals between osteocytes.

Canaliculi ensure the vitality and communication of osteocytes.

Function of compact bone

Support and protection

Compact bone provides structural support and protection for organs.

It forms the hard outer shell that protects the internal organs.

Mechanical strength

The dense arrangement of compact bone provides mechanical strength.

It enables bones to withstand external forces and resist fractures.

Storage of minerals

Compact bone stores minerals such as calcium and phosphorus.

These minerals can be released into the bloodstream as needed.

Hematopoiesis

Certain bones contain red bone marrow, where blood cells are produced.

Compact bone provides the framework for hematopoietic processes.