Weathering and erosion. Weathering is the process where rock is dissolved, worn away or broken down into smaller and smaller pieces. There are mechanical, chemical and organic weathering processes.
What is trinucleotide repeat disorders? A class of genetic diseases that causes expansion of the number of trinucleotide (three base repeats of CG-rich units) within a gene sometimes associated with deleterious consequences.
Diseases of the tricuspid and pulmonary valves are fairly rare. The tricuspid valve regulates the blood flow from the heart's upper-right chamber (the right atrium) to the lower-right chamber (the right ventricle). Two diseases of the tricuspid valve are regurgitation and stenosis.Tricuspid Regurgitation.he tricuspid valve regulates the blood flow from the heart's upper-right chamber (the right atrium) to the lower-right chamber (the right ventricle). Two diseases of the tricuspid valve are regurgitation and stenosis. Tricuspid Regurgitation.