the abdominal walls
The Renal artery attaches to the Kidneys.
The prefix of the word retroperitoneum is "retro-," which means behind, backwards, or on the other side.
The kidney is located behind the abdominal cavity in the retroperitoneum.
The retroperitoneal space is located behind the peritoneum. It contains organs such as the kidneys, adrenal glands, pancreas, and parts of the intestines and blood vessels. These organs have a direct relation to the peritoneum but lie outside of it.
The retroperitoneum.
It depends some mollusks may or may not have kidneys. Usually they have 2 kidneys.
Oligohydramnios usually associated with absence of both kidneys
Unremarkable means there was nothing unusual about them.
The size of kidneys don't usually decrease in size over time.
Three kidneys are relatively uncommon. It usually is only discovered by accident as it rarely causes symptoms. It usually means that one of the kidneys were split into two prior to birth. It can be associated with infections and kidney stones, but usually causes no symptoms at all.
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