Protozoan Collection (page 4)

Vorticella protozoan, light micrograph
Vorticella protozoan. Rheinberg illuminated light micrograph of a Vorticella sp. ciliate protozoan. This single-celled organism consists of a bell-shaped head

Paramecium bursaria protozoan, light micr
Paramecium bursaria protozoan, differential interference contrast light micrograph. This ciliate protozoan inhabits freshwater, where it feeds mainly on bacteria

Blepharisma protozoan, light micrograph
Blepharisma protozoan. Differential interference contrast micrograph of a Blepharisma japonicum protozoan. These ciliate protozoa move by beating their cilia

Blepharisma protozoa, light micrograph
Blepharisma protozoa. Differential interference contrast micrograph of Blepharisma japonicum protozoa. These ciliate protozoa move by beating their cilia

Trypanosomes in blood smear, SEM C016 / 5783
Parasitic protozoan. Coloured scanning electron micrograph (SEM) of trypanosome protozoa (Trypanosoma sp.) in a blood smear

Malaria drug dispensing, World War II C016 / 4303
Malaria drug dispensing. Close-up of the antimalarial drug atabrine being distributed during World War II (1939-1945) according to a checklist

Malaria drug warning, World War II C016 / 4301
Malaria drug warning. Skulls on a warning sign at a US Army hospital during World War II (1939-1945). Also known as quinacrine and mepacrine

Vorticella protozoa, light micrograph C016 / 3042
Vorticella protozoa. Differential interference contrast (DIC) light micrograph of Vorticella sp. ciliate protozoa. These single-celled organisms consist of a bell-shaped head

Vorticella protozoan, light micrograph C016 / 3043
Vorticella protozoan. Differential interference contrast (DIC) light micrograph of a Vorticella sp. ciliate protozoan. This single-celled organism consists of a bell-shaped head

Vorticella protozoa, light micrograph C016 / 3041
Vorticella protozoa. Differential interference contrast (DIC) light micrograph of Vorticella sp. ciliate protozoa. These single-celled organisms consist of a bell-shaped head

Vorticella protozoa, light micrograph C016 / 3040
Vorticella protozoa. Differential interference contrast (DIC) light micrograph of Vorticella sp. ciliate protozoa. These single-celled organisms consist of a bell-shaped head

Malaria parasite in red blood cell C016 / 2444
Malaria parasite in red blood cell. Light micrograph of a red blood cell (erythrocyte) infected with a Plasmodim vivax protozoan. This parasite causes recurring malaria in humans

Malaria parasite in red blood cell C016 / 2443
Malaria parasite in red blood cell. Light micrograph of a red blood cell (erythrocyte) infected with a Plasmodim vivax protozoan. This parasite causes recurring malaria in humans

Malaria parasite in red blood cell C016 / 2442
Malaria parasite in red blood cell. Light micrograph of a red blood cell (erythrocyte) infected with a Plasmodim vivax protozoan. This parasite causes recurring malaria in humans

Dinoflagellate protozoan, SEM C013 / 5111
Dinoflagellate protozoan, scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans. About 90 percent are found in marine environments as plankton

Chlamydomonas sp. algae, SEM
Green algae. Coloured scanning electron micrograph (SEM) of two Chlamydomonas sp. green algae. These single-celled organisms are aquatic, living in freshwater habitats

Foraminifera and ostracods models
Bees wax models of foraminifera and ostracods made by Clive Sheppard for an exhibition in the Invertebrates Gallery, at the Natural History Museum, London

Foraminifera models
One drawer containing some of d Orbigny models and slides previously displayed alongside the models in the galleries

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

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)

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"Exploring the Microscopic World: Unveiling the Diversity Life" In this captivating image series, we delve into the fascinating realm of protozoa – a diverse group of single-celled organisms that inhabit our planet. From ancient calcareous phytoplankton fossils to intricate SEM images, prepare to be amazed by their incredible forms and functions. Starting with a glimpse into the past, we encounter an exquisite fossilized specimen of calcareous phytoplankton. Preserved in time, it offers us a window into Earth's history and evolution. Moving forward, our attention is captured by an artistic representation of Trypanosome protozoan – a notorious parasite responsible for causing sleeping sickness. Its mesmerizing artwork reminds us of both its beauty and danger lurking within nature. Shifting gears towards human health concerns, we come across Plasmodium sp. , the malarial parasite that has plagued humanity for centuries. This microscopic culprit serves as a stark reminder of the ongoing battle against malaria worldwide. Protozoa are known for their unique feeding strategies; some scavenge particles and microorganisms like bacteria while others absorb nutrients from their surroundings. Their adaptability is showcased through stunning SEM images featuring diatoms - intricately patterned unicellular algae - and Acrosphaera radiolarian - delicate marine organisms with intricate skeletal structures. The exploration continues as we encounter another menacing parasite responsible for mouse malaria. Through high-resolution SEM imagery, its complex morphology comes to life before our eyes. Diving deeper into this hidden world reveals Oxytricha ciliate protozoan – an organism characterized by its hair-like projections called cilia. The detailed SEM image showcases its extraordinary structure in vivid detail. Finally, we marvel at the intricate design of Foraminiferan tests (shells) captured using scanning electron microscopy (SEM). These tiny shells serve as protective homes for these remarkable creatures living in aquatic environments.