When tissues are injured or infected, chemical signals can be releases that affect the plasma membrane of cells that line the nearby blood vessels. These blood vessels' cells (endothelial cells) respond to the chemical signals by displaying a type of glycoproteins on their surface. These proteins will attach to circulating white blood cells bringing them to the site of injury or infection. These glycoproteins would best be described as .

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Cell Adhesion Molecules (CAMs) are glycoproteins that are involved in cell-to-cell adhesion and play a crucial role in several physiological and pathological processes, including inflammation and immune responses. CAMs are expressed on the surface of endothelial cells and interact with white blood cells, promoting their adhesion, and extravasation to the site of tissue injury or infection, allowing them to perform their protective function.

When Tissues Are Injured or Infected, Chemical Signals Can Be