Lymphatic capillaries are unique in that they depend on to prevent the collapse of the lymphatic capillaries as pressure exerted by the interstitial fluid increases.

Endothelial cells.

Explanation:

Lymphatic capillaries depend on the unique function of these cells that allow for the stabilization of pressure within the capillary. As interstitial pressure increases, the endothelial cells 'swing' open (like a one-way door) to allow more fluid to enter the system. Similarly, when pressure inside the capillary is greater than the outside pressure, these cells hold fluid in by adhering to one another.

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