Oral Mucosa Slide 115-4

Micrograph of oral mucosa, stained. High magnification reveals a stratified squamous epithelium (pink), connective tissue (blue), and striated muscle (red). Epithelial surface shows irregular ridging. Connective tissue contains collagen fibers, fibroblasts, and circular blood vessels appear as small circles with dark borders. Bundles of striated muscle fibers appear below, forming a woven like pattern. Some dark spots in the connective tissue are possibly glands. The colors of the tissue are probably due to trichrome stain. The image is shot in a high angle.

A microscopic view of oral mucosa reveals layers of pink epithelium at the top, transitioning to blue connective tissue, and then striated red muscle tissue with a netlike pattern deeper within the image. Several small circular structures, possibly blood vessels or glands, appear as clear or dark spots throughout the tissue. The border between the layers is somewhat irregular, indicating tissue function.

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