Uberon definition : the second transiently divided segment of the developing rhombencephalon; rhombomeres
are lineage restricted, express different genes from one another, and adopt different
developmental fates; rhombomeres are numbered in caudal to rostral order;
the second transiently divided segment of the developing rhombencephalon; rhombomeres
are lineage restricted, express different genes from one another, and adopt different
developmental fates; rhombomeres are numbered in caudal to rostral order