Comet form Index - Revision history

Admin at 14:13, 17 December 2024

2024-12-17T14:13:42Z

← Older revision		Revision as of 15:13, 17 December 2024
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	<span style="font-size:90%">The combination of ovoid shape that is typical of ''P.ovale'' and the fimbriation of the erythrocyte cytoplam (often at one or both poles of the elongated shape) gives some parasites in this species a characteristiic shape often referred to as a "comet" (see the image below)</br></br></span>		<span style="font-size:90%">The combination of ovoid shape that is typical of ''P.ovale'' and the fimbriation of the erythrocyte cytoplam (often at one or both poles of the elongated shape) gives some parasites in this species a characteristiic shape often referred to as a "comet" (see the image below).</br></br></span>
	<gallery mode="nolines" widths="220px" heights="220px" >		<gallery mode="nolines" widths="220px" heights="220px" >
	File:Comet.jpg\|<span style="font-size:90%"></span>\|link={{filepath:Comet.jpg}}		File:Comet.jpg\|<span style="font-size:90%"></span>\|link={{filepath:Comet.jpg}}
	</gallery>		</gallery>
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Admin at 14:11, 17 December 2024

2024-12-17T14:11:51Z

← Older revision		Revision as of 15:11, 17 December 2024
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	<span style="font-size:90%">~~Text~~</br></br></span>		<span style="font-size:90%">The combination of ovoid shape that is typical of ''P.ovale'' and the fimbriation of the erythrocyte cytoplam (often at one or both poles of the elongated shape) gives some parasites in this species a characteristiic shape often referred to as a "comet" (see the image below)</br></br></span>
	<gallery mode="nolines" widths="220px" heights="220px" >		<gallery mode="nolines" widths="220px" heights="220px" >
	File:Comet.jpg\|<span style="font-size:90%"></span>\|link={{filepath:Comet.jpg}}		File:Comet.jpg\|<span style="font-size:90%"></span>\|link={{filepath:Comet.jpg}}
	</gallery>		</gallery>
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Admin at 13:56, 17 December 2024

2024-12-17T13:56:13Z

← Older revision		Revision as of 14:56, 17 December 2024
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	<span style="font-size:90%">Text</br></br></span>		<span style="font-size:90%">Text</br></br></span>
	<gallery mode="nolines" widths="220px" heights="220px" >		<gallery mode="nolines" widths="220px" heights="220px" >
	File:Comet.jpg\|<span style="font-size:90%">~~''Comet~~</span>\|link={{filepath:Comet.jpg}}		File:Comet.jpg\|<span style="font-size:90%"></span>\|link={{filepath:Comet.jpg}}
	</gallery>		</gallery>

Admin at 13:55, 17 December 2024

2024-12-17T13:55:44Z

← Older revision		Revision as of 14:55, 17 December 2024
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	{\| class="wikitable" style="widthe:90%; border-style: solid; border-width: 4px; border-color:teal"		{\| class="wikitable" style="widthe:90%; border-style: solid; border-width: 4px; border-color:teal"
	\|colspan="1" style = "font-size:140%; color:black; background: FFFAFA"\|<span style="color:black>'''"Comet" late trophozoite'''</span>		\|colspan="1" style = "font-size:140%; color:black; background: FFFAFA"\|<span style="color:black>'''"Comet" late trophozoite of ''P.ovale'''''</span>
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Admin at 12:09, 17 December 2024

2024-12-17T12:09:07Z

← Older revision		Revision as of 13:09, 17 December 2024
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	<span style="font-size:90%">Text</br></br></span>		<span style="font-size:90%">Text</br></br></span>
	<gallery mode="nolines" widths="220px" heights="220px" >		<gallery mode="nolines" widths="220px" heights="220px" >
	File:~~MB1~~.jpg\|<span style="font-size:90%">''Comet</span>\|link={{filepath:Comet.jpg}}		File:Comet.jpg\|<span style="font-size:90%">''Comet</span>\|link={{filepath:Comet.jpg}}
	</gallery>		</gallery>

Admin at 12:08, 17 December 2024

2024-12-17T12:08:43Z

← Older revision		Revision as of 13:08, 17 December 2024
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	{\| class="wikitable" style="widthe:90%; border-style: solid; border-width: 4px; border-color:teal"		{\| class="wikitable" style="widthe:90%; border-style: solid; border-width: 4px; border-color:teal"
	\|colspan="1" style = "font-size:140%; color:black; background: FFFAFA"\|<span style="color:black>'''"~~Banana~~" ~~gemetocyte~~'''</span>		\|colspan="1" style = "font-size:140%; color:black; background: FFFAFA"\|<span style="color:black>'''"Comet" late trophozoite'''</span>
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	<span style="font-size:90%">The gametocyte stage of ''P.falciparum'' has the form of a round-ended rod. The rod is slightly longer than a red cell so becomes curved by the red cell membrane and is often described a "banana shaped". This is particularly the case for longer macrogametocytes, and less so for the microgametocytes. The remaining red cell membrane (now with no haemoglobin) can often be seen on the concave side of the parasite.</br></br></span>		<span style="font-size:90%">Text</br></br></span>
	<gallery mode="nolines" widths="220px" heights="220px" >		<gallery mode="nolines" widths="220px" heights="220px" >
	File:MB1.jpg\|<span style="font-size:90%">''~~P.falciparum'' macrogametocyte~~</span>\|link={{filepath:~~MB1.jpg}}~~		File:MB1.jpg\|<span style="font-size:90%">''Comet</span>\|link={{filepath:Comet.jpg}}
	~~File:MBi2.jpg\|<span style="font-size:90%">''P.falciparum microgametocyte''</span>\|link={{filepath:MBi2~~.jpg}}
	</gallery>		</gallery>


	~~<span style="font-size:90%">A clear banana form is typical of ''P.falciparum'' indicating that diagnosis - although other features must fit, and be sure to exclude artefact.</br></spam>~~

	~~<gallery mode="nolines" widths="220px" heights="220px" >~~
	~~File:MB3.jpg\|<span style="font-size:90%">Artefactual banana form</span>\|link={{filepath:MB3.jpg}}~~
	~~</gallery>~~
	<span style="font-size:90%">''This squashed and distorted trophozoite is from P.vivax that has been compressed by the red cells around it. The signs of external compression and but also the presence of Schüffner's dots in the cytoplasm of the red cell should make it clear that this is not P.falciparum''.</span>

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2024-12-17T12:06:39Z

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{| class="wikitable" style="widthe:90%; border-style: solid; border-width: 4px; border-color:teal"
|colspan="1" style = "font-size:140%; color:black; background: FFFAFA"|'''"Banana" gemetocyte'''
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The gametocyte stage of ''P.falciparum'' has the form of a round-ended rod. The rod is slightly longer than a red cell so becomes curved by the red cell membrane and is often described a "banana shaped". This is particularly the case for longer macrogametocytes, and less so for the microgametocytes. The remaining red cell membrane (now with no haemoglobin) can often be seen on the concave side of the parasite.
<gallery mode="nolines" widths="220px" heights="220px" >
File:MB1.jpg|''P.falciparum'' macrogametocyte|link={{filepath:MB1.jpg}}
File:MBi2.jpg|''P.falciparum microgametocyte''|link={{filepath:MBi2.jpg}}
</gallery>

A clear banana form is typical of ''P.falciparum'' indicating that diagnosis - although other features must fit, and be sure to exclude artefact.</spam>

<gallery mode="nolines" widths="220px" heights="220px" >
File:MB3.jpg|Artefactual banana form|link={{filepath:MB3.jpg}}
</gallery>
''This squashed and distorted trophozoite is from P.vivax that has been compressed by the red cells around it. The signs of external compression and but also the presence of Schüffner's dots in the cytoplasm of the red cell should make it clear that this is not P.falciparum''.