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Difference between revisions of "Microorganisms"
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<gallery> | <gallery> | ||
Image:Schistosomiasis_haematobia.jpg | Schistosomiasis haematobia. (WC) | Image:Schistosomiasis_haematobia.jpg | Schistosomiasis haematobia. (WC) | ||
Image:Schistosoma_-_intermed_mag.jpg | Schistosoma eggs - intermed. mag. (WC) | Image:Schistosoma japonicum (1) histopathology.JPG | Schistosoma japonicum. (WC/KGH) | ||
Image:Schistosoma_-_very_high_mag.jpg | Schistosoma eggs - very high mag. (WC) | Image:Schistosoma japonicum (2) histopathology.JPG | Schistosoma japonicum. (WC/KGH) | ||
Image:Schistosoma japonicum (3) histopathology.JPG | Schistosoma japonicum. (WC/KGH) | |||
Image:Schistosoma_-_intermed_mag.jpg | Schistosoma eggs - intermed. mag. (WC/Nephron) | |||
Image:Schistosoma_-_very_high_mag.jpg | Schistosoma eggs - very high mag. (WC/Nephron) | |||
</gallery> | </gallery> | ||
www: | www: | ||
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*Common CNS infection. | *Common CNS infection. | ||
**''Toxoplasma gondii'' - pathogenic; causes ''toxoplasmosis''. | **''Toxoplasma gondii'' - pathogenic; causes ''toxoplasmosis''. | ||
* | *Previously classified as a ''protozoa''. | ||
*A [[TORCH infection]]. | *A [[TORCH infection]]. | ||
===Microscopic=== | ===Microscopic=== | ||
General: | General: | ||
* | *Tachyzoites (Invasive form): | ||
**Crescent-shaped organisms that are 2-3μm wide by 4-8μm long. | |||
*Bradyzoites: | |||
**Are founded within the tissue cysts and are shorter than tachyzoites. | |||
*Oocysst: | |||
**Ovoid shape that measures 10μm to 12μm and contains four sporozoites. | |||
*Histopathological features depend on location in body. | |||
====Lymph node==== | ====Lymph node==== | ||
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Image:Leishmania_donovani_01.png | Leishmania - smear. (WC) | Image:Leishmania_donovani_01.png | Leishmania - smear. (WC) | ||
Image:Leishmania_2009-04-14_smear.JPG | Leishmania - bone marrow. (WC) | Image:Leishmania_2009-04-14_smear.JPG | Leishmania - bone marrow. (WC) | ||
Image:Cutaneous_Leishmaniasis_x100 | Leishmania - cutaneous. (WC) | |||
</gallery> | </gallery> | ||
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{{Main|Bacteria}} | {{Main|Bacteria}} | ||
This is a small topic when considered from the perspective of an anatomical pathologist. Most stuff is sorted-out by microbiology. | This is a small topic when considered from the perspective of an anatomical pathologist. Most stuff is sorted-out by microbiology. | ||
=Protozoa= | |||
A historical category of organisms. Lifeforms previously categorized as ''protozoa'' are in several different ''kingdoms''. | |||
{{Main|Amebiasis}} | |||
{{Main|Leishmaniasis}} | |||
{{Main|Pneumocystis jirovecii}} | |||
{{Main|Toxoplasma}} | |||
=Microorganisms and cancer= | =Microorganisms and cancer= | ||