Term Name:	rhombomere 4 formation
Synonyms:
Definition:	The process that gives rise to rhombomere 4. This process pertains to the initial formation of a structure from unspecified parts. Rhombomeres are transverse segments of the developing rhombencephalon. Rhombomeres are lineage restricted, express different genes from one another, and adopt different developmental fates. Rhombomeres are numbered in anterior to posterior order.
Ontology:	GO: Biological Process [GO:0021663]    QuickGO    AmiGO