part of part of in taxon results in formation of anatomical entity pulmonary valve morphogenesis heart valve formation pulmonary valve formation dph 2009-10-08T01:11:20Z The developmental process pertaining to the initial formation of the pulmonary valve from unspecified parts. This process begins with the specific processes that contribute to the appearance of the discrete structure and ends when the structural rudiment is recognizable. GO:0003193 anatomical structure formation involved in morphogenesis Vertebrata <vertebrates> pulmonary valve