Struktur Tulang Pipih

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struktur tulang pipih

The flat bones in the human body are crucial for various functions, including protection of vital organs and providing surface area for muscle attachment. These bones are characterized by their thin, flat shape and consist of two layers of compact bone with a spongy bone layer in between. This article delves into the structure, functions, and examples of flat bones.

Structure of Flat Bones

Flat bones have a unique composition that includes two outer layers of compact bone, which are dense and strong, sandwiching a middle layer of spongy bone known as diploë. The spongy bone contains bone marrow and is lighter than the compact bone, contributing to the bone’s strength without excessive weight. This structure provides both durability and flexibility.

Functions of Flat Bones

The primary function of flat bones is to protect internal organs. For instance, the skull shields the brain, while the ribcage protects the heart and lungs. Additionally, flat bones offer broad surfaces for muscle attachment, which is crucial for movement and stability. Their design allows them to absorb impacts and provide a sturdy framework for the body’s core areas.

Examples of Flat Bones

Common examples of flat bones include the cranial bones, such as the frontal and parietal bones, which form the skull. The scapula, or shoulder blade, and the sternum, or breastbone, are also classified as flat bones. These bones are essential for their protective roles and support functions in the human body.

In summary, flat bones play an integral role in protecting vital organs, supporting muscular structures, and maintaining overall body stability. Their distinctive layered structure allows them to fulfill these functions effectively while contributing to the overall architecture of the skeletal system.

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