regurgitation (Science: cardiology, gastroenterology) A backward flowing, as the casting up of undigested food or the backward flowing of blood into the heart or between the chambers of the heart when a valve is incompetent. Origin: L. Gurgitare = to flood..
Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..
A typical eukaryotic cell is comprised of cytoplasm with different organelles, such as nucleus, endoplasmic reticulum, G..
Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..
The endoplasmic reticulum and Golgi apparatus are the organelles involved in the translation step of protein synthesis a..
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..
