Whilst getting
the information together for the last few write-ups I learned a new phrase: “accole malarial forms”.
There’s more
about the things here.
I’ve always
known that trophozoites of P falciparum can be found on the edge of the red
blood cells. I didn’t know that these are known as accole forms.
There’s three
distinct types:
1. Common
The single chromatin bead lies on the edge of
the cell with most of the cytoplasm
extended along the edge on both sides of the
bead.
2.Rim
The complete parasite lies in a thichened line
along the edge of the cell with no evidence of ring formation.
3.Displaced
The parasites are displaced beyond the edge of
the host cell. All degrees of
displacement may occur, from partial to marked displacement with most of the
parasite lying beyond the cell margin.
One lives and
learns…
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