heterogeneity
quality of not having a uniform structure
heterogeneous network
network connecting computers and other devices with different operating systems and/or protocols
tumour heterogeneity
observation that different tumour cells can show distinct morphological and phenotypic profiles; phenomenon occurs both between tumours (inter-tumour heterogeneity) and within tumours (intra-tumour heterogeneity)
phenotypic heterogeneity
different mutations in the same gene that can sometimes give rise to strikingly different phenotypes