Protozoa Collection (#6)

Foraminifera
Part of the display of foraminifera from The Great Exhibition of 1851. Featured are specimens from the London Clay, the Paris Basin and the Gulf of Suez

Difflugia Corona
Freshwater Testate Amoebae. Magnification x 450

Trypanosomes
Scanning electron microscope image showing a trypanosoma blood smear. They have proved to be of great interest as they have evolved very differently to other better studied organisms

Myxomycetes, plasmodial slime mould
Scanning electron microscope image of a plasmodial slime mould spore (x12000). This mould spends most of its life as a single cell; when they reproduce they form a slug-like blob that can travel

Acanthowetra
A photograph of a foraminifera found in the Indian Ocean

Foraminiferan remains from the White Cliffs of Dover, U.K. The cliffs are made up of unimaginable numbers of chalky shells of long dead marine animals

Minakatella longifila, slime mould

Amoeba - Phase contrast
JC-183 AMOEBA - PHASE CONTRAST John Clegg contact details: prints@ardea.com tel: +44 (0) 20 8318 1401

Protozoa - x 50 magnification
JC-202 Protozoa - x 50 magnification Euglena flagellata John Clegg contact details: prints@ardea.com tel: +44 (0) 20 8318 1401

Light Micrograph: Ciliate - Magnification x 750 (when printed A4, 29. 7 cm wide)
LRDS-315 Light Micrograph: Ciliate Magnification x 750 (when printed A4, 29.7 cm wide) Frontonia sp. David Spears (Last Refuge) / ardea.com Last Refuge contact details: prints@ardea.com tel

Light Micrograph: Plasmodium: a parasitic protozoa in blood; Magnification x 7, 500 (if print A4 size: 29. 7 cm wide)
LRDS-313 Light Micrograph: Plasmodium: a parasitic protozoa in blood; Magnification x 7, 500 (if print A4 size: 29.7 cm wide) David Spears (Last Refuge) / ardea.com Last Refuge contact details

Metopus protozoan

Thalassomyxa australis protozoan
Thalassomyxa protozoan. Coloured scanning electron micrograph (SEM) of a Thalassomyxa australis prot- ozoan (single-celled animal)

Lembadion protozoan. Coloured scanning electron micrograph (SEM) of a Lembadion bullinum protozoan (single-celled animal)

TEM of Giardia lamblia
Coloured Transmission Electron Micrograph of Giardia lamblia (orange), a parasitic flagellate protozoan which causes the disease lambliasis (giardiasis)

Ciliate protozoa, light micrograph
Ciliate protozoa. Light micrograph of a mixed population of freshwater ciliate protozoa and algae. The algae are the green filaments crossing the field

Radiolarian planktonic protozoan, SEM
Radiolarian protozoan. Coloured scanning electron micrograph (SEM) of the shell (test) of an unidentified radiolarian protozoan

Calcareous phytoplankton fossil, artwork
Calcareous phytoplankton fossil. Artwork of a fossil of the skeleton (coccosphere) of a coccolithotrope, a small marine algal organism

Leishmania protozoa
False-colour light micrograph (LM) of a colony of Leishmania tropica. a parasitic flagellate protozoan that causes the disease leishmaniasis in humans

Ciliate protozoa dividing
Ciliate protozoa. Light micrograph of unidentified ciliate protozoa (class Ciliata) undergoing asexual reproduction. These unicellular micro-organisms can multiply by either of two methods

Euplotes ciliate protozoan, SEM
Euplotes ciliate protozoan. Coloured scanning electron micrograph (SEM) of a ciliate protozoan (Euplotes sp.). This single-celled organism is found in fresh and marine water

Plankton cell wall, SEM
Plankton cell wall. Coloured scanning electron micrograph (SEM) of the geometrical plates making up the mineralised cell wall of a planktonic alga (Coronosphaera mediterranea)

Spirochona protozoa

Euglena protozoan, SEM
Euglena protozoan (Euglena sp.), coloured scanning electron micrograph (SEM). This protozoan is described as flagellate because it has a flagellum (thin tail-like structure)

LM of assorted fossil Foraminifera shells
Foraminiferan shells. Light micrograph of assorted shells of fossil species belonging to the order: Foraminifera. Single-celled protozoans once inhabited these shells which are composed of several

Protozoan, SEM
Protozoan. Coloured scanning electron micrograph (SEM) of a protozoan. Protozoa are unicellular eukaryotic organisms, that usually are not photosynthetic

Ciliate protozoans, SEM
Ciliate protozoans. Coloured scanning electron micrograph (SEM) of sessile (anchored) ciliate protozoan (subclass Peritrichia)

Giardia protozoan, TEM
Giardia protozoan. Coloured transmission electron micrograph (TEM) of a Giardia sp. protozoan. It is a single-celled organism that has two cell nuclei (green)

Calcareous phytoplankton plates, SEM
Calcareous phytoplankton plates. Coloured scanning electron micrograph (SEM) of parts of the skeleton (coccosphere) of the coccolithophore Emiliania huxleyi, a small marine algal organism

Trichomytopsis protozoan

Coloured SEM of Giardia lamblia in human intestine
Giardia lamblia. Coloured Scanning Electron Micro- graph (SEM) of the parasite Giardia lamblia in the human small intestine

Ciliate protozoa, SEM
Ciliate protozoa. Coloured scanning electron micrograph (SEM) of cilliate protozoa (unicellular animals). The ciliates are so named because of the hair-like cilia surrounding their bodies which are

LM of a colony of Volvox
Light micrograph of a colony of Volvox containing eight asexual daughter colonies within. Volvox is an organism that lies between the plant & animal kingdom

Naegleria fowleri protozoa, TEM
Naegleria fowleri protozoan. Coloured transmission electron micrograph (TEM) of a section through a Naegleria fowleri protozoan

Flagellate protozoan, SEM
Flagellate protozoan, coloured scanning electron micrograph (SEM). This is a protozoan that has a flagellum (thin tail-like structure, lower left)

Parasitic protozoan, TEM
Parasitic protozoan. Coloured transmission electron micrograph (TEM) of a trypanosome protozoan (Trypanosoma sp.). The nucleus (centre), cell membrane (outline)

Enterocytozoon sp. parasites, TEM

Isospora sp. parasites, TEM
Isospora sp. parasites. Coloured transmission electron micrograph (TEM) of Isospora sp. parasites (yellow) in a sectioned cell

Lychnocanium radiolarian, SEM
Lychnocanium radiolarian. Coloured scanning electron micrograph (SEM) of the shell of a Lychnocanium sp. radiolarian. Radiolaria are single-celled protozoans that are found in marine plankton

TEM of Leishmania sp
False-colour transmission electron micrograph (TEM) of Leishmania sp. a parasitic flagellate protozoan that causes the disease leishmaniasis in humans

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Protozoa, the microscopic wonders of nature. From calcareous phytoplankton fossils to intricate artwork depicting Trypanosome protozoans, these single-celled organisms never cease to amaze. Take a closer look through the lens of SEM Z100 / 0213 and discover the mesmerizing beauty of their world. In one frame, we witness Plasmodium sp. , a malarial parasite that wreaks havoc on human health. Its complex structure reminds us of the delicate balance between life and disease. But not all it can harmful; many lead fascinating lives as scavengers or nutrient absorbers. Through light micrograph LM, we observe a kidney-shaped ciliate surrounded by Euglena sp. , showcasing their feeding habits at an astonishing magnification of x900. Diatoms, another group of protozoa, steal our attention with their intricate patterns and shapes. Acrosphaera radiolarian captivates us in its SEM image, displaying its ornate exoskeleton that protects it from predators. Foraminiferan tests (shells) take center stage in another SEM capture. These tiny structures tell stories about ancient oceans and provide valuable insights into Earth's history. Moving away from imagery, we encounter models representing foraminifera - miniature replicas that aid scientists in understanding these remarkable creatures' behavior and evolution. Not limited to aquatic environments alone, some protozoa find residence within our own bodies as intestinal parasites. TEM images reveal their presence while reminding us to prioritize hygiene and health practices. Amongst them is Trichomonas vaginalis captured through TEM - a reminder that even seemingly harmless organisms can cause discomfort if left unchecked. Lastly, Cryptosporidium protozoa appear under TEM's watchful eye – highlighting the importance of water safety measures due to this organism's ability to contaminate drinking sources with potential health risks. Protozoa may be small in size, but their impact on our world is immense.