Protozoan Collection (page 6)

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

Alga-covered protozoan, SEM
Alga-covered protozoan, coloured scanning electron micrograph (SEM). Algae (blue) are seen on the body of the protozoan, and cilia (green) are used to waft the algae to the protozoans feeding area

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

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

Paramecium protozoa, SEM
Paramecium protozoa (Paramecium sp.), coloured scanning electron micrograph (SEM). These protozoa (two seen) are described as ciliate because many cilia (hair-like structures) cover them

Hartmannella amoeba and bacterium. Computer artwork of a Hartmannella vermiformis amoeba (green) engulfing a Legionella pneumophila bacterium (orange) with a pseudopodium

Protozoan cilia, SEM
Protozoan cilia. Coloured scanning electron micrograph (SEM) of cilia (microscopic hairs) from a ciliate protozoan. Ciliate protozoans are single-celled aquatic organisms

LM of Paramecium bursaris
Light micrograph of Paramecium bursaris, a member of the species of green paramecia. The green colouration is due to the presence of unicellulate green algae which form organic substances & produce

Breslauides ciliate protozoan, SEM
Breslauides ciliate protozoan. Coloured scanning electron micrograph (SEM) of a ciliate protozoan (Breslauides sp.). This tiny single-celled organism is found in water

Tetrahymena protozoa. Immunofluorescent light micrograph of two Tetrahymena thermophila protozoa (single-celled animals). Nuclei are green, cell walls red and cilia (hairs) blue. T

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

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

Dendrocometes protozoan. Coloured scanning electron micrograph (SEM) of a Dendrocometes paradoxus protozoan (single-celled animal)

Green algae colonies. Light micrograph of green algae colonies (Volvox sp.). These colonies are made up of approximately 500 individual flagellate cells, arranged in a glycoprotein filled sphere

Amoeba, SEM
Amoeba. Coloured scanning electron micrograph (SEM) of an Amoeba proteus protozoan. This is a freshwater single-celled organism that feeds on bacteria and smaller protozoa

LM of assorted Foraminifera shells
Foraminiferan shells. Light micrograph of assorted species of shells belonging to the order Foramini- fera. Single-celled protozoans inhabit these shells which are composed of several chambers

Protozoan cilia, SEM
Protozoan cilia. Coloured scanning electron micrograph (SEM) of cilia (microscopic hairs) from a ciliate protozoan. Ciliate protozoans are single-celled aquatic organisms

Blepharisma ciliate protozoan, SEM
Blepharisma ciliate protozoan. Coloured scanning electron micrograph (SEM) of a ciliate protozoan (Blepharisma sp.). This tiny single- celled organism is found in freshwater

Watercolour artwork of the protozoan, Euglena sp
Euglena sp. Watercolour artwork of the pond- dwelling Euglena sp. a protozoan. This single- celled organism has a tail-like flagellum for locomotion (at centre left)

F. colour SEM of oocysts on stomach of Anopheles
False-colour scanning electron micrograph of the stomach wall of a mosquito Anopholes stephansii infected with malarial parasites Plasmodium

Illustration of the protozoan, Giardia lamblia
Illustration of the parasite Giardia lamblia, a single-celled protozoan that causes the human intestinal disorder giardiasis (known also as lambliasis)

Human diseases. Artwork of a male silhouetted figure, surrounded by various disease-causing organisms. The mosquito (Anopheles gambiae, upper left) transmits a parasitic protozoan it bites

Protozoan microscopy, 19th century
Protozoan microscopy. 19th century artwork of microscopic details of protozoan micro-organisms, seen under a microscope. These include a parasitic worm-like organism (Monocystis lumbricorum)

Malaria, conceptual artwork. Drop of red blood, showing the outline of the continent of Africa. Malaria is widespread in tropical and subtropical regions, including parts of the Americas, Asia

Malaria ookinete, TEM
Malaria parasite. Image 5 of 10. Coloured transmission electron micrograph (TEM) of a sexual malaria ookinete in a mosquito gut wall

Malaria parasite, TEM
Malaria parasite. Image 4 of 10. Coloured transmission electron micrograph (TEM) of a sexual male malaria (Plasmodium sp.) microgametocyte in a mosquito (Anopheles sp.) gut

AIDS pneumonia infection, TEM
AIDS pneumonia infection. Coloured transmission electron micrograph (TEM) of a section through Pneumocystis carinii protozoa causing pneumonia. The protozoa are crescent-shaped (red/yellow)

Coloured SEM of Pneumocystis carinii in AIDS lung

False-col TEM of Cryptosporidia sp

Anton van Leeuweenhoek, Dutch microcoscopist
Portrait of Antoni van Leeuwenhoek taken from his book Arcana Naturae detecta (1695). A Dutch microscopist, he was born in Delft, Netherlands, on October 14th 1632 & died on August 26th 1723

Brevetoxin molecule
Brevetoxin, molecular model. This neurotoxin is produced by the marine protozoan (Karenia brevis). Atoms are represented as spheres and are colour-coded: carbon (grey)

Euglypha amoeba shell, SEM
Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba. Magnification: x1350 when printed at 10 centimetres wide

Prorocentrum dinoflagellates, SEM
Three Prorocentrum dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans

Amoeba, artwork

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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.