part of glomerular basement membrane development metanephric glomerulus development metanephric glomerular basement membrane development 2010-04-01T02:43:51Z GO:0072274 mah biological_process The process whose specific outcome is the progression of the metanephric glomerular basement membrane over time, from its formation to the mature structure. The metanephric glomerular basement membrane is the basal laminal portion of the metanephric glomerulus which performs the actual filtration.