A review on methods employed in studying embryogenesis

Abstract

In an endeavour to comprehend the mechanisms of vertebrate embryonic development including how the embryo attains its form and structures, biologist have over the years devised a number of methods. In all the techniques employed, the choice of the method is largely determined by the question to be answered amongst other factors. This review looks at the various methods that have been developed, ranging from the use of simple lenses through histological sectioning and direct manipulation to the use of biochemical probes and extracts