Which of the following accurately describes sinusoid capillarles? Check all that apply. Sinusoid capillarles have a complete lining of endothellal cells with fenestrations (or pores). Sinusold capillarles have an incomplete lining of epithellal cells that results in large openings and gap Sinusold capillaries allow for the exchange of water, large plasma proteins, and formed elements. Sinusold capillaries are the most numerous type found in the body..