a statistical composite index of life expectancy, education (mean years of schooling completed and expected years of schooling upon entering the education system), and per capita income indicators, which is used to rank countries into four tiers of human development.

Human embryonic development or human embryogenesis is the development and formation of the human embryo.

The Department of Human Settlements and Urban Development, abbreviated as DHSUD, is the executive department of the Philippine government responsible for the management of housing and related development in the Philippines.

alt=World map|thumb|The world map representing Human Development Index categories (based on 2022 data, published in 2024)

Tooth development or odontogenesis is the complex process by which teeth form from embryonic cells, grow, and erupt into the mouth.