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These glomeruli show global glomerulosclerosis (GS) and fibrosis of Bowman’s capsule. Severe tubulointerstitial scarring (TIS) consists of tubular atrophy, proportional interstitial fibrosis and an accompanying interstitial inflammatory infiltrate.
Frass is feces. It looks black in the pellet, but smash it into a slide and the green leafy bits pop out.
Stacked, squashed stylifer DIC and florescence. Red is Chlorophyll, there is a Tetraselimis sp. cell at the bottom of the Stylifer sp.. the stacks didn't quite match up because everything was still alive and swimming.
2003 electron micrographs of an indian shell bead, taken while I was at Humboldt State University.
(Sadly, I don't have any further notes on the bead or it's origins handy...)
There is global podocyte foot process effacement. The glomerular basement membrane is thick and distorted by large, intramembranous and subendothelial, immune complex deposits. Rare subepithelial deposits are seen. The mesangium has numerous, large electron dense deposits. There is segmental, cellular interposition. A rare, tubuloreticular structure is present in an endothelial cell.