Anatomy & Morphology

Tissue

조직

Definition

A group of similar cells that work together to perform a specific function in an organism.

Detailed Explanation

The four fundamental animal tissue types — epithelial, connective, muscle, and nervous — combine in specific proportions to form every organ. Epithelial tissues form barriers and glands; connective tissues support and bind; muscle tissues move; nervous tissues communicate. Tissue organization is hierarchical: cells form tissues, tissues form organs, organs form systems. Cancer arises when tissue organization breaks down.

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