Angiodynography
(Science: investigation) a diagnostic procedure that uses high-frequency sound waves to image arteries and veins. Sometimes referred to as colour flow Doppler because the arteries will appear as red on the screen and the veins will be blue. Useful in the determination of the vascular obstruction.
This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..
ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..
Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..
With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..
Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..