results in formation of example of usage: every "endocardial cushion formation" (GO:0003272) results_in_formation_of some "endocardial cushion" (UBERON:0002062); an annotation of gene X to anatomical structure formation with results_in_formation_of UBERON:0000007 (pituitary gland) means that at the beginning of the process a pituitary gland does not exist and at the end of the process a pituitary gland exists. Chris Mungall