Social stratification describes the way people are placed or "stratified" in society. Transitional epithelium is a type of stratified epithelium. The skin of the lips is stratified squamous epithelium. Roman society was strongly hierarchical, stratified and competitive. The MISER algorithm is based on recursive stratified sampling. Type 1 hemidesmosomes are found in stratified and pseudostratified epithelial tissue. Patients can be stratified into high and low risk. Type 1 hemidesmosomes are found in stratified and pseudo-stratified epithelium. These range from relatively egalitarian bands and tribes to complex and highly stratified chiefdoms. Meanwhile, meltwater within and beneath the ice leaves stratified alluvial deposits. Greater perceived fairness can be added by using stratified sampling. Atmospheric constituents such as nitrogen oxides can be stratified vertically in the atmosphere. Phoenician society was highly stratified and predominantly monarchical, at least in its earlier stages. Choice-based sampling is one of the stratified sampling strategies. There are several potential benefits to stratified sampling.