With increasing age, the kidney atrophy shifts the renal parenchyma pyelon index to 1:2:1. Renal Ultrasound Anatomy The kidney is a bean-shaped organ, which has usually a smooth convex lateral organ boundary.
Bipolar disorder may result from a chemical imbalance within the brain. The brain's functions are controlled by chemicals called neurotransmitters. An imbalance in the levels of one of these neurotransmitters, such as norepinephrine, may cause bipolar disorder. When levels of this chemical are too high, mania occurs.
People often wonder what chemical causes depression however there is no specific cause as this. Usually, it is a deficiency of a certain chemical in the body or an imbalance of a combination of chemical that cause the symptoms of the disorder. There are however several drugs that can be responsible in exhibiting the symptoms associated with the condition.