Cytological Collection (#8)

Influenza proton pump, molecular model
Influenza proton pump. Molecular model showing the protein structure of a proton pump from an influenza virus. Proton pumps are membrane proteins that move protons across a cell membrane

Arteriole, TEM
Arteriole. Transmission electron micrograph (TEM) of a section through a small calibre arterial vessel called an arteriole

Smooth endoplasmic reticulum, TEM
Smooth endoplasmic reticulum. Transmission electron micrograph (TEM) showing smooth endoplasmic reticulum (ER, thin lines) inside a cell that is synthesising steroid hormones

Small bowel epithelium, TEM
Small bowel epithelium. Transmission electron micrograph (TEM) of a section through the epithelial lining of a villus in the small bowel, showing the enterocyte cells

Optogenetics, conceptual artwork. Optogenetics is the integration of optical and genetic systems to control precisely defined events within specific cells of living tissue

Kidney tissue, confocal micrograph C014 / 4611
Kidney tissue. Laser scanning confocal micrograph (LSCM) of a section through a human kidney, showing the cell nuclei (dark)

Liver portal triad, light micrograph C016 / 8490
Liver portal triad. Fluorescence deconvolution micrograph of a section through a portal triad in liver tissue, showing hepatocyte cells (red)

Liver portal triad, light micrograph C016 / 8489
Liver portal triad. Fluorescence deconvolution micrograph of a section through a portal triad in liver tissue, showing hepatocyte cells (red)

Liver portal triad, light micrograph C016 / 8488
Liver portal triad. Fluorescence deconvolution micrograph of a section through a portal triad in liver tissue, showing hepatocyte cells (red)

Kidney tissue, fluorescence micrograph C016 / 8484
Kidney tissue. Fluorescence deconvolution micrograph of a section through a kidney, showing glomeruli (green), cell nuclei (blue dots), and renal tubules (red, circular)

Heart muscle, fluorescence micrograph C016 / 8483
Heart muscle. Fluorescence deconvolution micrograph of a section through heart tissue, showing the angular distribution of the myocardium (cardiac muscle) fibres (green)

Heart muscle, fluorescence micrograph C016 / 8481
Heart muscle. Fluorescence deconvolution micrograph of a section through heart tissue, showing blood vessels (oval, centre-left and upper centre) running through the myocardium (cardiac muscle)

Heart muscle, fluorescence micrograph C016 / 8478
Heart muscle. Fluorescence deconvolution micrograph of a section through heart tissue, showing a blood vessel (diagonal, centre) running through the myocardium (cardiac muscle, green)

Heart muscle, fluorescence micrograph C016 / 8477
Heart muscle. Fluorescence deconvolution micrograph of a section through heart tissue, showing a blood vessel (blue, diagonal, centre) running through the myocardium (cardiac muscle, green)

Adrenal gland, fluorescence micrograph C016 / 8472
Adrenal gland. Fluorescence deconvolution micrograph of a section through an adrenal gland, showing the zona glomerulosa and zona fasciculata

HIV invading white blood cell, artwork
HIV invading white blood cell. Computer artwork showing HIV (human immunodeficiency virus) particles (virions, purple) invading a white blood cell (large, centre) in the human bloodstream

Blood cells, SEM C016 / 8026
Blood cells. Coloured scanning electron micrograph (SEM) of a lymphocyte white blood cell (centre) and red blood cells (erythrocytes, circular)

MDCK culture cells, SEM C016 / 8028
MDCK cells. Coloured scanning electron micrograph (SEM) of cultured MDCK (Madin-Darby canine kidney) epithelial cells on filter paper (fibres)

Red blood cells, SEM C016 / 8027
Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (erythrocytes). The main function of red blood cells is to distribute oxygen to body tissues

Insulin production, artwork
Insulin production. Computer artwork of the human pancreas (yellow) and an islet of Langerhans (green) producing the hormone insulin (small spheres)

Brain nerve cells, TEM C014 / 0356
Brain nerve cells. Transmission electron micrograph (TEM) of a section through brain tissue from the cerebral cortex, showing numerous neurons (nerve cells) surrounded by axons and dendrites

Brain cell, TEM C014 / 0358
Brain cell. Transmission electron micrograph (TEM) of a section through an oligodendrocyte in human brain tissue. Oligodendrocytes occur in both the white

Dividing cancer cell, SEM C014 / 0361
Dividing cancer cell. Coloured scanning electron micrograph (SEM) of a colorectal cancer cell undergoing mitosis (nuclear division) and splitting into two daughter cells (left and right)

Brain cell, TEM C014 / 0359
Brain cell. Transmission electron micrograph (TEM) of a section through an oligodendrocyte in human brain tissue. Oligodendrocytes occur in both the white

Dividing brain cancer cells, SEM C014 / 0354
Dividing brain cancer cells. Coloured scanning electron micrograph (SEM) of a cancerous astrocyte brain cell that has just undergone cytokinesis (cell division)

Felix Rey, French virologist. Rey is director of research on the Chikungunya virus research project at the Pasteur Institute, Paris France

cAMP-dependent protein kinase molecule C016 / 2063
cAMP-dependent protein kinase, molecular model. This enzyme is also known as protein kinase A (PKA). This is the holoenzyme, which consists of two regulatory subunits and two catalytic subunits

Potassium ion channel. Computer artwork of a KcsA potassium ion (K+) channel (ribbons) embedded in a phospholipid (spheres) cell membrane (horizontal, centre)

Voltage-gated potassium channel. Computer model showing the molecular structure of a voltage-gated potassium (Kv) ion channel

MHC protein-antigen complex. Computer model showing a histocompatibility antigen complexed to a class II MHC (major histocompatibility complex) protein molecule

Chikungunya virus research. Researcher working with cells cultured from Drosophila sp. fruit flies that have been genetically engineered to produce proteins of the Chikungunya virus

Mitochondrial structure, artwork C015 / 6784
Mitochondrial structure. Computer artwork of a mitochondrion, showing a loop of mitochondrial DNA (deoxyribonucleic acid, mtDNA), the organelles genetic material

Activated macrophage, SEM C015 / 6377
Activated macrophage. Coloured scanning electron micrograph (SEM) of an active macrophage white blood cell. Macrophages are cells of the bodys immune system that are found in the tissues rather than

Activated macrophage, SEM C015 / 6376
Activated macrophage. Coloured scanning electron micrograph (SEM) of an active macrophage white blood cell. Macrophages are cells of the bodys immune system that are found in the tissues rather than

Mitochondrial structure, artwork C015 / 6765
Mitochondrial structure. Computer artwork of a mitochondrion, showing a loop of mitochondrial DNA (deoxyribonucleic acid, mtDNA), the organelles genetic material

Cancer cell, SEM C014 / 0628
Cancer cell. Coloured scanning electron micrograph (SEM) of a carcinoma cancer cell (pink) migrating (metastasising) along a layer of normal epithelial cells (purple)

Cancer cell, SEM C014 / 0627
Cancer cell. Coloured scanning electron micrograph (SEM) of a carcinoma cancer cell (yellow) migrating (metastasising) along a layer of normal epithelial cells (brown)

Anaesthetic inhibiting an ion channel C015 / 6723
Anaesthetic inhibiting an ion channel. Computer model showing the structure of propofol anaesthetic drug molecules (spheres) bound to a pentameric ligand-gated ion channel (pLGIC, blue ribbons)

Anaesthetic inhibiting an ion channel C015 / 6722
Anaesthetic inhibiting an ion channel. Computer model showing the structure of propofol anaesthetic drug molecules (spheres) bound to a pentameric ligand-gated ion channel (pLGIC, blue ribbons)

Anaesthetic inhibiting an ion channel C015 / 6720
Anaesthetic inhibiting an ion channel. Computer model showing the structure of propofol anaesthetic drug molecules (lower left and right) bound to a pentameric ligand-gated ion channel (pLGIC, grey)

Anaesthetic inhibiting an ion channel C015 / 6721
Anaesthetic inhibiting an ion channel. Computer model showing the structure of propofol anaesthetic drug molecules (spheres)

Anaesthetic inhibiting an ion channel C015 / 6719
Anaesthetic inhibiting an ion channel. Computer model showing the structure of propofol anaesthetic drug molecules (spheres)

Purkinje nerve cell, TEM C014 / 0582
Purkinje nerve cell. Transmission electron micrograph (TEM) of a purkinje nerve cell (bright yellow, centre) from the cerebellum of the brain

Cell infected with HIV, SEM C014 / 0581
Cell infected with HIV. Coloured scanning electron micrograph (SEM) of HIV particles (round) budding from the membrane of a host cell

Cell infected with HIV, SEM C014 / 0580
Cell infected with HIV. Coloured scanning electron micrograph (SEM) of HIV particles (round) budding from the membrane of a host cell

Cell infected with HIV, SEM C014 / 0579
Cell infected with HIV. Coloured scanning electron micrograph (SEM) of HIV particles (round) budding from the membrane of a host cell

Canadian pondweed leaf, light micrograph
Canadian pondweed leaf. Light micrograph of a section through the leaf of a Canadian pondweed (Elodea canadensis) plant, showing the cells (squares)

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"Cytological Wonders Unveiled: Exploring the Intricacies of Cellular Life" In this captivating journey into the microscopic world, we delve into the realm of cytology, where astonishing discoveries await. From anaesthetic inhibiting an ion channel to mesmerizing light and electron micrographs, each image offers a glimpse into the intricate workings of cells. Firstly, we witness an extraordinary phenomenon as anaesthetic molecules inhibit an ion channel within cells. This interaction sheds light on how these substances affect cellular processes and highlights their potential therapeutic applications. Moving forward, our attention is drawn to HeLa cells captured under a light microscope. The vivid details reveal their complex structures and provide valuable insights for research in various fields such as cancer biology and drug development. Next up is a stunning transmission electron micrograph showcasing the rough endoplasmic reticulum. Its labyrinthine network serves as a hub for protein synthesis and transport within cells, emphasizing its crucial role in maintaining cellular homeostasis. As we shift gears towards artistic representation, dendritic cells take center stage through exquisite artwork. These specialized immune cells play a pivotal role in recognizing foreign invaders and orchestrating immune responses - truly nature's defenders at work. Returning to HeLa cells under another light microscope lens unveils yet another breathtaking display of cellular beauty. Each cell appears like a universe unto itself with intricate organelles working harmoniously to sustain life's delicate balance. The enchantment continues with captivating images capturing mitosis - the process by which one cell divides into two identical daughter cells. Witnessing this dance of chromosomes during cell division provides profound insights into growth, development, and regeneration mechanisms within organisms. Shifting focus from animal to plant life brings us pine pollen grains delicately observed under a light microscope. These tiny particles hold immense significance in plant reproduction dynamics while exhibiting remarkable structural intricacies that aid successful pollination. Further exploring plants' hidden wonders takes us on an enlightening journey through light micrographs of pine and lime tree stems.