cell wall morphology phenotype 2015-11-11T15:41:37Z OMP:0005233 OMP:0007277 This term was made obsolete because it is a duplicate of OMP:0005233. A cell envelope morphology phenotype where the trait in question is the cell wall, a rigid or semi-rigid layer that surrounds the plasma membrane and maintains cell shape and helps protect against osmotic lysis. microbial_phenotype siegele true