Term Name:	initiation of appressorium formation
Synonyms:	appressorium initiation on or near host, initiation of appressorium by symbiont on or near host, initiation of appressorium on or near host, initiation of symbiont appressorium on or near host
Definition:	The process in which a relatively unspecialized cell starts to acquire specialized features of the symbiont appressorium to aid in infection of the host. The host is defined as the larger of the organisms involved in a symbiotic interaction.
Ontology:	GO: Biological Process [GO:0075025]    QuickGO    AmiGO