The generation of diverse cell types in the neural tube requires inductive signals that are derived from adjacent tissues and are capable of patterning cell fates at a distance. For example, ...

Genetic studies in Drosophila and vertebrate models have provided evidence that a small number of 'proneural genes', which encode transcription factors of the basic helix–loop–helix (bHLH) class, are ...

The Construction Specification Institute’s (CSI) recommendations for writing effective specifications contain the now familiar “Four C's.” Specifications should be clear, concise, correct and complete ...

Current specification flows often use standard text processors to capture formal register and memory map information of hardware designs along with other less formal types of specification text.