Conrad Hal Waddington's Organisers and Genes, published in 1940, is a summary of available research and theoretical framework for many concepts related to tissue ...

It has often been pointed out that twentieth-century painting and physics share a common tendency toward probing behind appearances into the underlying structure of things ...

Oogenesis, Development of apterygote insects, The development of heminetabolous insects, The development of holometabolous insects, Polyembryony in insects,