Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Connective tissues are a group of tissues that support, connect, or separate different types of tissues and organs in the body. They are characterized by an extracellular matrix that is rich in protein fibers.
5 Must Know Facts For Your Next Test
Connective tissues include bone, blood, cartilage, and adipose tissue.
The extracellular matrix in connective tissues contains collagen, elastin, and other proteins.
Connective tissues originate from the mesoderm during embryonic development.
They play a crucial role in providing structural support and defense against infections.
Fibroblasts are the most common type of cells found in connective tissue.
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Related terms
Epithelial Tissue: A type of tissue that covers body surfaces and lines cavities.
Mesoderm: The middle germ layer from which connective tissue originates.
Fibroblast: A cell that produces collagen and other fibers found in connective tissue.