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.
A kidney ultrasound is a noninvasive (the skin is not pierced) procedure used to assess the size, shape, and location of the kidneys. Ultrasound technology allows quick visualization of the kidneys and related structures from outside the body. Ultrasound may also be used to assess blood flow to the kidneys.