Renal system disease - Chronic, Kidney, Dialysis | Britannica
... really means an increase in the concentration of urea in the blood. This can arise in many acute illnesses in which the kidney ... Urea itself is not notably toxic. Not all the chemical alterations in uremia are simple retentions. There is acidosis-a fall in ... really means an increase in the concentration of urea in the blood. This can arise in many acute illnesses in which the kidney ...
Hormone - Plant Growth, Photosynthesis, Reproduction | Britannica
... urea, are conveniently referred to as cytokinins, although not all are natural products. Cytokinins are synthesized in roots, ...
chemistry
- Students | Britannica Kids | Homework Help
The vast new field of organic chemistry was opened in 1828 with Friedrich Wöhlers synthesis of urea, a compound present in ...