Whether they bind directly to the GBM, or come from somewhere else, these immune complexes are called subepithelial deposits because they're sandwiched right between the epithelial cells or podocytes, and the GBM.

无论是直接与肾小球基膜结合或从别处而来，这些免疫复合物称之为上皮下沉积物，因为它们位于足细胞这类上皮细胞和肾小球基膜之间。