Band form PM: Difference between revisions
From MalariaETC
(Created page with " An early or late trophozoite form that is very elongated and extends close to, or entirely across, the diameter of the erythocyte. The form is frequent in ''P.malariae'' and ''P.knowlesi'' infections and can support the identification of either species - although other features must fit. Rarely, forms resembling a band may occur in other species. <span style="color:navy>'''Additional images'''</span> <gallery mode="nolines" widths="220px" heights="220px" > File...") |
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|style = "font-size:110%; color:black; background: gainsboro |'''Navigation'''</br> | |||
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|<span style="font-size:110%">>[[Plasmodium_malariae:_Morphology|Previous Page]]''</span></br> | |||
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|colspan="1" style = "font-size:140%; color:black; background: FFFAFA"|<span style="color:black>'''Central chromatin dot form'''</span> | |||
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<span style="font-size:90%">The dots of different species represent parasite proteins that modify red cell function in a range of ways to support parasite development, immun evasion or virulence. Their precise functions are ill defined, but their appearances have value in distinguishing the different species of parasite. The dots require a well-stained specimen to be easily seen!</span> | |||
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<span style="font-size:90%>'''Schüffner's dots''' (P.vivax) and '''James' dots)''' (''P.ovale'') become apparent during the early trophzoite as faint dots then to be easily seen in later stages. These two forms of dots are morphologically indistinguishable as frequent evenly-distrubuted round dots od similar size.</span> | |||
<gallery mode="nolines" widths="220px" heights="220px" > | |||
File:Schuffner_dots.jpg|link={{filepath:Schuffner_dots.jpg}} | |||
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Revision as of 15:27, 20 December 2024
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| Central chromatin dot form
The dots of different species represent parasite proteins that modify red cell function in a range of ways to support parasite development, immun evasion or virulence. Their precise functions are ill defined, but their appearances have value in distinguishing the different species of parasite. The dots require a well-stained specimen to be easily seen! Schüffner's dots (P.vivax) and James' dots) (P.ovale) become apparent during the early trophzoite as faint dots then to be easily seen in later stages. These two forms of dots are morphologically indistinguishable as frequent evenly-distrubuted round dots od similar size.
An early or late trophozoite form that is very elongated and extends close to, or entirely across, the diameter of the erythocyte. The form is frequent in P.malariae and P.knowlesi infections and can support the identification of either species - although other features must fit. Rarely, forms resembling a band may occur in other species.
Additional images
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