Question

fill in the blank question
a process in which endothelial cells pick up material on one side of the plasma membrane by pinocytosis or receptor - mediated endocytosis, transport the vesicles across the cell, and discharge the material on the other side by exocytosis is called

Explanation:

The question is about a cellular process in endothelial cells involving endocytosis (pinocytosis or receptor - mediated endocytosis) to take in material, transporting vesicles across the cell, and exocytosis to release the material on the other side. This process is known as transcytosis. In the context of cell biology (a subfield of Biology, which is part of Natural Science), transcytosis is the term for this type of trans - cellular transport of substances.

Answer:

transcytosis