Cytological Collection (#6)

Bowel cancer, light micrograph C016 / 0511
Bowel cancer. Light micrograph of a section through a carcinoid tumour in the small bowel. The tumour has invaded the submucosa of the bowel

Brain glial cells, light micrograph C016 / 0523
Brain glial cells. Light micrograph of a section through brain tissue, showing numerous glial cells (dark). Glial cells, or neuroglia, are non-neural cells of the central nervous system (CNS)

Ovarian primordial follicles, micrograph C016 / 0518
Ovarian primordial follicles. Light micrograph of a section through the cortex of a neonatal ovary, showing clusters of primordial follicles each containing a single oocyte (egg cell)

Islet of Langerhans, light micrograph C016 / 0513
Islet of Langerhans. Light micrograph of a section through an islet of Langerhans in a pancreas. Scattered throughout the pancreas, the islets are endocrine cells that secrete a range of hormones

Cirrhosis of liver, light micrograph C016 / 0529
Cirrhosis of liver. Light micrograph of a section through liver tissue, damaged by cirrhosis. Cirrhosis occurs as a result of a range of factors causing damage to liver function

Neutrophil white blood cell, illustration C018 / 0741
Neutrophil white blood cell, illustration. Neutrophils are the most abundant white blood cell in humans. They have a multi-lobed nucleus (dark purple)

Meiosis, illustration C018 / 0803
Meiosis. Illustration of a cell during metaphase (I) of meiosis (gamete formation). During meiosis four daughter nuclei are formed from one parent nucleus after two stages of nuclear division

Cytoskeleton in unicellular parasite, SEM C018 / 0518
Cytoskeleton in unicellular parasite, coloured scanning electron micrograph (SEM). All cells have a support and transport network called the cytoskeleton

Gene expression, conceptual illustration C018 / 0746
Gene expression, conceptual illustration. Every cell in an organism contains every single gene that makes up the organisms genome. However, they are not all active (expressed) in each cell

Animal cell, illustration C018 / 0734
Animal cell. Illustration showing the organelles present in an animal cell. At lower centre is the nucleus, which contains the cells genetic information in the form of DNA (deoxyribonucleic acid)

Mechanical stress on a cell, illustration C018 / 0776
Mechanical stress on a cell, conceptual illustration. Mechanical stress can have an effect on a number of processes within a cell, including polarity, differentiation, growth and migration

Cellular polarity, illustration C018 / 0775
Cellular Polarity. Conceptual illustration of cell polarity research and its medical implications

Microtubule formation, illustration C018 / 0804
Microtubule formation, illustration. Microtubules are polymers of the protein tubulin and are a component of the cytoskeleton

Migrating cell, illustration C018 / 0754
Migrating cell. Time-lapse illustration of a migrating cell, using outlines to show the previous cell boundaries. Cell migration is key to metastasis (spread) and the progression of cancer

Eye muscle, TEM C014 / 1467
Eye muscle. Transmission electron micrograph (TEM) of a section through a striated muscle cell from the ciliary muscle of a human eye

Intestinal gland cell, TEM C014 / 1442
Intestinal gland cell. Transmission electron micrograph (TEM) of a section through an undifferentiated cell from the intestinal tract, showing extensive rough endoplasmic reticulum (ER)

Trachea lining, TEM C014 / 1469
Trachea lining. Transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs

Mouth cancer cell, SEM C014 / 1460
Mouth cancer cell. Coloured scanning electron micrograph (SEM) of a squamous cell carcinoma (cancer) cell from a human mouth

Eye muscle, TEM C014 / 1466
Eye muscle. Transmission electron micrograph (TEM) of a section through a striated muscle cell from the ciliary muscle of a human eye

HeLa cells, SEM C014 / 0366
HeLa cells. Coloured scanning electron micrograph (SEM) of HeLa cells (round) grown in a 3D matrix (background). HeLa cells are a continuously cultured cell line of immortal human cancer cells

Intestinal microvilli, SEM C014 / 1452
Intestinal microvilli. Coloured transmission electron micrograph (SEM) of a transverse section through microvilli, showing their interiors

Mouth cancer cell, SEM C014 / 1459
Mouth cancer cell. Coloured scanning electron micrograph (SEM) of a squamous cell carcinoma (cancer) cell from a human mouth

Dividing cancer cell, SEM C014 / 0362
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)

Sperm tails, TEM C014 / 1463
Sperm tails. Transmission electron micrograph (TEM) of sections through the tails of sperm (spermatozoa) cells at various levels

Intestinal microvilli, SEM C014 / 1451
Intestinal microvilli. Coloured transmission electron micrograph (SEM) of a transverse section through microvilli, showing their interiors

Trachea lining, TEM C014 / 1471
Trachea lining. Transmission electron micrograph (TEM) of a transverse section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs

Sperm tails, TEM C014 / 1465
Sperm tails. Transmission electron micrograph (TEM) of sections through the tails of sperm (spermatozoa) cells at various levels

Intestinal microvilli, TEM C014 / 1454
Intestinal microvilli. Transmission electron micrograph (TEM) of a section through an epithelial cell from a human small intestine, showing the densely packed microvilli

Fat cells, SEM C014 / 0365
Fat cells. Coloured scanning electron micrograph (SEM) of adipocytes (fat cells). Adipocytes store energy as an insulating layer of fat

Intestinal microvilli, TEM C014 / 1453
Intestinal microvilli. Transmission electron micrograph (TEM) of a section through an epithelial cell from a human small intestine, showing the densely packed microvilli

Monocyte white blood cell, TEM
Monocyte white blood cell. Transmission electron micrograph (TEM) of a section through a monocyte white blood cell, showing the cell nucleus (blue)

Sperm tails, TEM C014 / 1464
Sperm tails. Transmission electron micrograph (TEM) of sections through the tails of sperm (spermatozoa) cells at various levels

Zinc finger bound to DNA C014 / 0864
Zinc finger bound to DNA. Molecular model showing a zinc finger molecule bound to a strand of DNA (deoxyribonucleic acid)

Epstein-Barr virus protein bound to DNA C014 / 0875
Epstein-Barr virus protein bound to DNA. Computer model showing a molecule of Epstein-Barr nuclear antigen 1 (EBNA1) bound to a strand of DNA (deoxyribonucleic acid)

ATP synthase molecule. Molecular model showing the structure of ATP synthase (ATPase) subunit C. ATPase is an important enzyme that provides energy for cells through the synthesis of adenosine

Trachea lining, TEM C014 / 1470
Trachea lining. Transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs

Trachea lining, TEM C014 / 1472
Trachea lining. Transmission electron micrograph (TEM) of a transverse section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs

Nerve fibre node, TEM C014 / 1458
Nerve fibre node. Transmission electron micrograph (TEM) of a longitudinal section through a nerve fibre at a node of Ranvier, showing the nerve tissue (red) and the myelin sheath (dark blue)

HeLa cells, SEM C014 / 0369
HeLa cells. Coloured scanning electron micrograph (SEM) of HeLa cells (round) grown in a 3D matrix (background). HeLa cells are a continuously cultured cell line of immortal human cancer cells

Leptin molecule C014 / 4904
Leptin molecule. Computer model showing the structure of a molecule of the hormone leptin. Leptin is produced by adipose (fat) tissue

Human tissue structure, historical model
Human tissue structure. 1960s anatomical model of a section through human body tissue, showing the arrangement and structure of the cells

Animal cell organelles, artwork
Animal cell organelles. Artwork showing the organelles in a eukaryotic cell. This is an animal cell. Structures include the nucleus (centre) which has a membrane with nuclear pores (purple)

Mitochondrion structure, artwork
Mitochondrion structure. Artwork showing the internal structure of a mitochondrion. This structure, found in eukaryotic cells, is the site of energy production

Leptin molecule C014 / 4907
Leptin molecule. Computer model showing the crystal structure of a molecule of the hormone leptin. Leptin is produced by adipose (fat) tissue

Squamous epithelium C014 / 4643
Squamous epithelium. Laser scanning confocal micrograph (LSCM) of a section through stratified squamous epithelial cells. Epithelial tissues line the cavities

MscS ion channel protein structure. Molecular model showing the protein structure of a Mechanosensitive Channel of Small Conductance (MscS) from an Escherichia coli bacterium

Squamous epithelium, confocal micrograph C014 / 4642
Squamous epithelium. Laser scanning confocal micrograph (LSCM) of a section through stratified squamous epithelial cells. Epithelial tissues line the cavities

Mouth cancer cells, SEM
Mouth cancer cells. Coloured scanning electron micrograph (SEM) of squamous cell carcinoma (cancer) cells from a human mouth

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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.