The renal medulla is hypertonic to the filtrate in the nephron and aids in the reabsorption of water. Blood is filtered in the glomerulus by solute size. Ions such as sodium, chloride, potassium, and calcium are easily filtered, as is glucose.he renal medulla is split up into a number of sections, known as the renal pyramids.
The City had â¦ planned to tear it down (part of the original contest rules for designing a tower was that it could be easily demolished) but as the tower proved valuable for communication purposes, it was allowed to remain after the expiration of the permit.
Originally built for the International Exposition of 1889 to commemorate the centennial of the French Revolution, the tower was the unanimous choice of the committee who chose Eiffelâs proposal over more than 700 entries.