The earliest examples of canopic jars come from the 4th dynasty tomb of Queen Meresankh III at Giza, from the reign of Menkaure. The canopic chests which held the jars were cut from soft stone, or carved from the actual wall or floor of the tomb. However, from the 6th Dynasty, granite examples have been discovered in royal tombs which were sunk into pits in the floor at the southeast foot of the sarcophagus.
1. Bright spots: Kidney stones show up on ultrasound as bright echogenic foci (white spots) within the substance of the kidney. If the stones are larger than 3 or 4 mm there will be a darker area behind the stone representing an acoustical shadow.. Bright spots: Kidney stones show up on ultrasound as bright echogenic foci (white spots) within the substance of the kidney. If the stones are larger than 3 or 4 mm there will be a darker area behind the stone representing an acoustical shadow.
1 An abdominal ultrasound can be used to look for the cause of abdominal pain, evaluate masses in any of the abdominal organs, diagnose kidney stones or liver or gallbladder disease, and evaluate injuries after an accident.2  WebMD offers an overview of abdominal ultrasound.n abdominal ultrasound is used to view organs such as the gallbladder, kidneys and liver. It can be used to investigate abdominal pain or swelling and to diagnose gallstones, kidney stones or cancer.