Intestinal protozoa - Revision history

Aidan: Text replacement - " species]]" to "]]"

2022-02-08T02:47:18Z

Text replacement - " species]]" to "]]"

← Older revision		Revision as of 02:47, 8 February 2022
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	**''[[Balantidium coli]]''		**''[[Balantidium coli]]''
	*Coccidia: small, may be seen as acid-fast		*Coccidia: small, may be seen as acid-fast
	**[[Cryptosporidium ~~species~~]] (~5 μm)		**[[Cryptosporidium]] (~5 μm)
	**[[Cyclospora cayetanensis\|Cyclospora cayetanensis (~10 μ]]<nowiki/>m)		**[[Cyclospora cayetanensis\|Cyclospora cayetanensis (~10 μ]]<nowiki/>m)
	**[[Cystoisospora belli]] (previously called ''Isospora'') (~30 μm)		**[[Cystoisospora belli]] (previously called ''Isospora'') (~30 μm)
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	!Other stain		!Other stain
	\|-		\|-
	\|[[Cryptosporidium ~~species~~]]		\|[[Cryptosporidium]]
	\|4-6 μm		\|4-6 μm
	\| +		\| +
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	\|		\|
	\|-		\|-
	\|[[Microsporidia ~~species~~]]		\|[[Microsporidia]]
	\|1-3.5 μm		\|1-3.5 μm
	\|±		\|±

Aidan: /* Approach to Microscopy */

2020-08-07T14:08:26Z

Approach to Microscopy

Show changes

Aidan: /* Approach to Microscopy */

2019-10-10T14:12:42Z

Approach to Microscopy

Aidan: /* Classification */

2019-10-10T14:00:22Z

Classification

← Older revision		Revision as of 14:00, 10 October 2019
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	** [[Cryptosporidium species]]		** [[Cryptosporidium species]]
	** [[Cyclospora cayetanensis]]		** [[Cyclospora cayetanensis]]
	** [[~~Isospora~~ belli]] (~~also~~ ~~occasionally labelled as~~ ''~~Cystoisospora~~'')		** [[Cystoisospora belli]] (previously called ''Isospora'')
	** [[Sarcocystis hominis]]		** [[Sarcocystis hominis]]
	* [[Microsporidia]]		* [[Microsporidia]]

Aidan: /* Approach to Microscopy */ linkified

2019-10-08T23:01:32Z

Approach to Microscopy: linkified

← Older revision		Revision as of 23:01, 8 October 2019
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	* Some have classic appearance:		* Some have classic appearance:
	** ''Giardia'' trophs look like an owl		** ''[[Giardia]]'' trophs look like an owl
	* ''Balantidium coli'' is huge		* ''[[Balantidium coli]]'' is huge
	** ''Trichomonas'' and ''Chilomastix'' trophs have flagellae and are tear-drop shaped		** ''[[Trichomonas]]'' and ''[[Chilomastix]]'' trophs have flagellae and are tear-drop shaped
	* ''Isospora belli'' looks like an eye or halved egg		* ''[[Isospora belli]]'' looks like an eye or halved egg
	** ''Cyclospora'' is thick-walled and looks like a golf ball		** ''[[Cyclospora]]'' is thick-walled and looks like a golf ball
	* ''Cryptosporidium'' is the smallest (4-6 µm) and may have crescent-shaped sporozoites inside		* ''[[Cryptosporidium]]'' is the smallest (4-6 µm) and may have crescent-shaped sporozoites inside
	** ''Sarcocystis'' is quite large (15 µm), non-acid-fast, and looks like 2 joined ovals		** ''[[Sarcocystis]]'' is quite large (15 µm), non-acid-fast, and looks like 2 joined ovals
	* In order to differentiate the larger Amoebae, need to consider the size, nucleus characteristics, and other features		* In order to differentiate the larger Amoebae, need to consider the size, nucleus characteristics, and other features
	* What kind of nucleus is it?		* What kind of nucleus is it?
	** Entamoeba: dark ing of peripheral chromatin, with a defined central nucleus and relatively clear perikarysomal space		** Entamoeba: dark ing of peripheral chromatin, with a defined central nucleus and relatively clear perikarysomal space
	** Non-entamoeba: more blob-like, less well defined		** Non-entamoeba: more blob-like, less well defined
	** Granulated: big dots, suggests ''Dientamoeba fragilis'' trophozoite		** Granulated: big dots, suggests ''[[Dientamoeba fragilis]]'' trophozoite
	* How many nuclei?		* How many nuclei?
	** Trophs are mostly mono-nucleated, cysts may be poly-nucleated		** Trophs are mostly mono-nucleated, cysts may be poly-nucleated
	** ''Dientamoeba'' has 2 nuclei in troph form		** ''[[Dientamoeba]]'' has 2 nuclei in troph form
	* What is the average size?		* What is the average size?
	** Need a measurement microscope		** Need a measurement microscope
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	! Other features		! Other features
	\|-		\|-
	\| ''E. histolytica''		\| ''[[E. histolytica]]''
	\| Entamoeba type		\| Entamoeba type
	\| 2-4		\| 2-4
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	\| Large vacuole		\| Large vacuole
	\|-		\|-
	\| ''Endolimax''		\| ''[[Endolimax]]''
	\| Blob-like		\| Blob-like
	\| 2-4		\| 2-4

Aidan: /* Classification */

2019-10-08T23:00:21Z

Classification

← Older revision		Revision as of 23:00, 8 October 2019
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	** [[Cryptosporidium species]]		** [[Cryptosporidium species]]
	** [[Cyclospora cayetanensis]]		** [[Cyclospora cayetanensis]]
			** [[Isospora belli]] (also occasionally labelled as ''Cystoisospora'')
	** ''[[Cystoisospora]]'' (previously ''Isospora'')
	** [[Sarcocystis hominis]]		** [[Sarcocystis hominis]]
	* [[Microsporidia]]		* [[Microsporidia]]

Aidan: /* Classification */ linkified

2019-10-08T22:58:11Z

Classification: linkified

← Older revision		Revision as of 22:58, 8 October 2019
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	* Amoebae		* Amoebae
	** ''Entamoeba histolytica/dispar'' (microscopically indistinguishable, but ''E. dispar'' is non-pathogenic)		** ''[[Entamoeba histolytica]]/dispar'' (microscopically indistinguishable, but ''E. dispar'' is non-pathogenic)
	** ''E. harmanni'' and ''E. coli'' (non-pathogenic)		** ''Entamoeba harmanni'' and ''Entamoeba coli'' (non-pathogenic)
	** ''Endolimax nana''		** ''[[Endolimax nana]]''
	** ''Iodamoeba butchlii''		** ''[[Iodamoeba butchlii]]''
	* Flagellates		* Flagellates
	** ''Giardia lamblia''		** ''[[Giardia lamblia]]''
	** ''Dientamoeba fragilis'' (no cystic form)		** ''[[Dientamoeba fragilis]]'' (no cystic form)
	** ''Chilomastix mesnili''		** ''[[Chilomastix mesnili]]''
	* Ciliates		* Ciliates
	** ''Balantidium coli''		** ''[[Balantidium coli]]''
	* Coccidia: small, may be seen as acid-fast		* Coccidia: small, may be seen as acid-fast
	** ''Cryptosporidium''		** [[Cryptosporidium species]]
	** ''Cyclospora''		** [[Cyclospora cayetanensis]]
	** ''Cystoisospora'' (previously ''Isospora'')		** ''[[Cystoisospora]]'' (previously ''Isospora'')
	** ''Sarcocystis hominis''		** [[Sarcocystis hominis]]
	* Microsporidia		* [[Microsporidia]]

	== Approach to Microscopy ==		== Approach to Microscopy ==

Aidan at 12:53, 16 August 2019

2019-08-16T12:53:05Z

← Older revision		Revision as of 12:53, 16 August 2019
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	[[Category:Microbiology]]		[[Category:Microbiology]]
	[[Category:~~Parasites~~]]		[[Category:Protozoa]]

Aidan at 09:34, 16 August 2019

2019-08-16T09:34:21Z

← Older revision		Revision as of 09:34, 16 August 2019
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	= Microbiology =		== Microbiology ==

	* Protozoans are eukaryotic unicellular organisms that have organelles		* Protozoans are eukaryotic unicellular organisms that have organelles
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	** Can combine both of the above		** Can combine both of the above

	= Classification =		== Classification ==

	From largest to smallest family		From largest to smallest family
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	* Microsporidia		* Microsporidia

	= Approach to Microscopy =		== Approach to Microscopy ==

	* Some have classic appearance:		* Some have classic appearance:

Aidan: /* Molecular diagnostics */

2019-08-16T09:32:01Z

Molecular diagnostics

← Older revision		Revision as of 09:32, 16 August 2019
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	\|		\|
	\|}		\|}

	= Molecular diagnostics =

	[[Category:Microbiology]]		[[Category:Microbiology]]

← Older revision		Revision as of 14:12, 10 October 2019
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	* Some have classic appearance:		* Some have classic appearance:
	** ''[[Giardia]]'' trophs look like an owl		** ''[[Giardia]]'' trophs look like an owl
	* ''[[Balantidium coli]]'' is huge		** ''[[Balantidium coli]]'' is huge
	** ''[[Trichomonas]]'' and ''[[Chilomastix]]'' trophs have flagellae and are tear-drop shaped		** ''[[Trichomonas]]'' and ''[[Chilomastix]]'' trophs have flagellae and are tear-drop shaped
	* ''[[~~Isospora~~ belli]]'' looks like an eye or halved egg		** ''[[Cystoisospora belli]]'' looks like an eye or halved egg
	** ''[[Cyclospora]]'' is thick-walled and looks like a golf ball		** ''[[Cyclospora]]'' is thick-walled and looks like a golf ball
	* ''[[Cryptosporidium]]'' is the smallest (4-6 µm) and may have crescent-shaped sporozoites inside		** ''[[Cryptosporidium]]'' is the smallest (4-6 µm) and may have crescent-shaped sporozoites inside
	** ''[[Sarcocystis]]'' is quite large (15 µm), non-acid-fast, and looks like 2 joined ovals		** ''[[Sarcocystis]]'' is quite large (15 µm), non-acid-fast, and looks like 2 joined ovals
	* In order to differentiate the larger Amoebae, need to consider the size, nucleus characteristics, and other features		* In order to differentiate the larger Amoebae, need to consider the size, nucleus characteristics, and other features
			** Does is stain acid-fast? If yes, it is one of the sporas
	* What kind of nucleus is it?		** What kind of nucleus is it?
	** Entamoeba: dark ing of peripheral chromatin, with a defined central nucleus and relatively clear perikarysomal space		*** Entamoeba: dark ing of peripheral chromatin, with a defined central nucleus and relatively clear perikarysomal space
	** Non-entamoeba: more blob-like, less well defined		*** Non-entamoeba: more blob-like, less well defined
	** Granulated: big dots, suggests ''[[Dientamoeba fragilis]]'' trophozoite		*** Granulated: big dots, suggests ''[[Dientamoeba fragilis]]'' trophozoite
	* How many nuclei?		** How many nuclei?
	** Trophs are mostly mono-nucleated, cysts may be poly-nucleated		*** Trophs are mostly mono-nucleated, cysts may be poly-nucleated
	** ''[[Dientamoeba]]'' has 2 nuclei in troph form		*** ''[[Dientamoeba]]'' has 2 nuclei in troph form
	* What is the average size?		** What is the average size?
	** Need a measurement microscope		*** Need a measurement microscope
	* Other stuff		* Other stuff
	** Large vacuole suggests ''Iodamoeba butschlii''		** Large vacuole suggests ''Iodamoeba butschlii''