FAST REVISION
Physiology
Calcium is absorbed mainly in the duodenum and jejunum by an active transport mechanism regulated by 1,25 (OH)2 D3 (calcitriol). It is transported across the brush border of intestinal epithelial cells via TRPV6 channels and binds to calbindin. The a
Radiology
Salt and pepper appearance in MRI of the salivary gland is suggestive of Sjogren syndrome.
General Pathology
Reticulocytosis is commonly seen in hemolytic anemia, where there is increased production of red blood cells in response to anemia.