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Dermis
The pentachrome stain also demonstrates the elastic fiber content of the dermis. These fibers, which stain purple or black, permit stretch and recoil in the dermis. Collagen bundles are thicker and stain yellow-green. Pentachrome stain, 400x
![Elastic fibers <p>The pentachrome stain also demonstrates the elastic fiber content of the dermis. These fibers, which stain purple or black, permit stretch and recoil in the dermis. Collagen bundles are thicker and stain yellow-green. Pentachrome stain, 400x</p>](https://digitalhistology.org/wp-content/uploads/2017/08/Or.Sk_.Derm-8-1-ping.png)
Elastic fibers
The pentachrome stain also demonstrates the elastic fiber content of the dermis. These fibers, which stain purple or black, permit stretch and recoil in the dermis. Collagen bundles are thicker and stain yellow-green. Pentachrome stain, 400x
![Collagen bundles <p>The pentachrome stain also demonstrates the elastic fiber content of the dermis. These fibers, which stain purple or black, permit stretch and recoil in the dermis. Collagen bundles are thicker and stain yellow-green. Pentachrome stain, 400x</p>](https://digitalhistology.org/wp-content/uploads/2017/08/Or.Sk_.Derm-8-2-ping.png)
Collagen bundles
The pentachrome stain also demonstrates the elastic fiber content of the dermis. These fibers, which stain purple or black, permit stretch and recoil in the dermis. Collagen bundles are thicker and stain yellow-green. Pentachrome stain, 400x