Definition noun (embryology) A thickening rostral to the notochord, and consisting of endodermal cells Supplement The prochordal plate is used synonymously with prechordal plate. Both terms refer to the region between the notochord and oral plate of the embryo. Synonym(s): prechordal plate..
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..
Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..
This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..
