Taxonomy: Class Blastocystea
Animal: Blastocystis hominis 7 06.jpg
Blastocystis hominis - vacuolar form has a central vacuole with 1 - 4 nuclei and 5 - 20 microns wide). These forms were thought to be possibly the typical and only forms of B.hominis but they are not the forms in the colon and seem to develop in faeces after excretion from the body and in culture. (EM by Deb Stenzel). Note the electron dense pits - these endocytotic structures are responsible for the uptake of external substances. CM cell membrane, CVM central vacuole membrane, CV central vacuole, SC surface coat.
First Picture |
Previous Picture |
Next Picture |