Tool for constructing artificial languages.

The development of the nervous system, or neural development (neurodevelopment), refers to the processes that generate, shape, and reshape the nervous system of animals, from the earliest stages of embryonic development to adulthood.

The development of the reproductive system is the part of embryonic growth that results in the sex organs and contributes to sexual differentiation.

a series of highway corridors in the Appalachia region of the eastern United States.

The development of the nervous system in humans, or neural development, or neurodevelopment involves the studies of embryology, developmental biology, and neuroscience.