Medicine LibreTexts - Characteristics of Connective Tissue

A basic picture of the structural composition of connective tissue can get left out of undergraduate study. Given its importance, it's well worth taking a few moments to get oriented.

GA Tech - Fibrous Proteins

Brief descriptions of collagen, keratin, and fibroin.

Biology LibreTexts - Collagen

A basic introduction from a Bio 101 perspective.

WikiPedia - Elastin

Connective Tissue Proteins Resources

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