Introduction to Diagnostic Medical Parasitology
Plasmodium knowlesi
Young trophozoit
![](/.imaging/mte/default-theme/parasiteImage/dam/parasites/protozoa/malaria/Plasmodium-knowlesi/Pkn-troph.png/jcr:content/Pkn%20troph.png)
![](/.imaging/mte/default-theme/parasiteImage/dam/parasites/protozoa/malaria/Plasmodium-knowlesi/Pkn-troph-2.png/jcr:content/Pkn%20troph%202.png)
![](/.imaging/mte/default-theme/parasiteImage/dam/parasites/protozoa/malaria/Plasmodium-knowlesi/Pkn-Troph-3.png/jcr:content/Pkn%20Troph%203.png)
Young rings
RBC normal
Multiple infection
![](/.imaging/mte/default-theme/parasiteImage/dam/parasites/protozoa/malaria/Plasmodium-knowlesi/Pkn-troph-multi.png/jcr:content/Pkn%20troph%20multi.png)
Multiple infection
RBC normal
Bandform
![](/.imaging/mte/default-theme/parasiteImage/dam/parasites/protozoa/malaria/Plasmodium-knowlesi/pkn-band.png/jcr:content/pkn%20band.png)
![](/.imaging/mte/default-theme/parasiteImage/dam/parasites/protozoa/malaria/Plasmodium-knowlesi/pkn-band-2.png/jcr:content/pkn%20band%202.png)
Young and older trophozoit, band form
RBC normal
Old trophozoit
![](/.imaging/mte/default-theme/parasiteImage/dam/parasites/protozoa/malaria/Plasmodium-knowlesi/pkn-ald-troph.png/jcr:content/pkn%20ald%20troph.png)
![](/.imaging/mte/default-theme/parasiteImage/dam/parasites/protozoa/malaria/Plasmodium-knowlesi/pkn-old-troph.png/jcr:content/pkn%20old%20troph.png)
Older trophozoit, sometimes with vakuole (similar to P. malariae)
RBC normal
Macrogametocyte
![](/.imaging/mte/default-theme/parasiteImage/dam/parasites/protozoa/malaria/Plasmodium-knowlesi/pkn-Macro.png/jcr:content/pkn%20Macro.png)
Macrogametocyte
RBC normal