Question

multiple choice question
the endothelial cells of some capillaries have areas of the plasma membrane where the cytoplasm is absent and the membrane is very porous. these areas are called

o fenestrae
o sinusoids
o gap junctions

Explanation:

Fenestrae are small pores in the endothelial cells of some capillaries where the cytoplasm is absent and the membrane is porous. Sinusoids are wider, more irregular vessels with large gaps. Gap junctions are cell - to - cell connections for communication, not related to this description of capillary membrane features.

Answer:

A. fenestrae