Immunology Collection (page 8)

Granulocyte blood cells, light micrograph
Granulocyte blood cells. Light micrograph of two types of granulocytes, a type of white blood cell (leucocyte). At left is a neutrophil, with an eosinophil at right

Langerhans cell histiocytosis, micrograph
Langerhans cell histiocytosis. Light micrograph of blood cells in a case of Langerhans cell histiocytosis (LCH), also called X-type histiocytosis

Hodgkins disease, light micrograph
Hodgkins disease. Light micrograph of two non-dystrophic histiocyte blood cells (centre) in a case of Hodgkins disease, also called Hodgkins lymphoma

Antibodies and B cells, artwork C016 / 6255
Antibodies and B cells. Computer artwork showing antibodies (green) neutralising cytokine activity in B cell (large, round) white blood cells

Antibodies and B cells, artwork C016 / 6254
Antibodies and B cells. Computer artwork showing antibodies (green) neutralising cytokine activity in B cell (large, round) white blood cells

Blood cells, light micrograph C015 / 7130
Blood cells. Light micrograph of red blood cells (erythrocytes, red) and white blood cells (leucocytes, nuclei stained pink)

Simian virus (SV40) large T antigen C015 / 7069
Simian virus (SV40) large T antigen, molecular model. This antigen is from the simian vacuolating virus 40 (SV40). Large T antigens play a role in regulating the viral life cycle of

Thymus gland cancer, light micrograph C015 / 7128
Thymus cancer. Light micrograph of a section through a thymus gland with thymoma cancer. The thymus is a gland in the upper chest that plays an important role in the immune system

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)

Blood cells, illustration C018 / 0802
Blood cells. All cellular blood components originate from the same cell, the haematopoietic stem cell. The stem cell differentiates into two types of progenitor cells

Human immune response molecule complex. Molecular model showing a human T-cell receptor and an HLA-A leukocyte (white blood cell) antigen bound to a TAX peptide from a virus

Microglial white blood cell, SEM C019 / 0247
Microglial white blood cell, SEM

Microglial white blood cell, SEM C019 / 0246
Microglia. Coloured scanning electron micrograph (SEM) of an activated microglial white blood cell. This immune system cell is found in the brain and spinal cord

Microglial white blood cell, SEM C019 / 0245
Microglia. Coloured scanning electron micrograph (SEM) of an activated microglial white blood cell. This immune system cell is found in the brain and spinal cord

Human immune response molecule complex C014 / 0871
Human immune response molecule complex. Molecular model showing a human T-cell receptor and an HLA-A leukocyte (white blood cell) antigen bound to a TAX peptide from a virus

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)

Virus, artwork C014 / 4951
Computer artwork of a generic virus particle

Alemtuzumab antibody molecule. Computer model showing the molecular structure of the monoclonal antibody and cancer drug alemtuzumab

Human lymphatic system, artwork
Human lymphatic system. Artwork of a front view of a human, showing the lymphatic system (yellow). Also seen are associated organs including the spleen (centre right)

Alexander Fleming, caricature
Alexander Fleming (1881-1955). Caricature of the Scottish biologist and pharmacologist Alexander Fleming holding a Petri dish

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)

Cat allergen protein, molecular model C015 / 3962
Cat allergen protein. Molecular model of the tetrameric form of the major cat allergen fel d 1 (Felis domesticus allergen 1)

Cat allergen protein, molecular model
Cat allergen protein. Molecular model of the tetrameric form of the major cat allergen fel d 1 (Felis domesticus allergen 1)

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

Simian virus (SV40) large T antigen C015 / 7070
Simian virus (SV40) large T antigen, molecular model. This antigen is from the simian vacuolating virus 40 (SV40). Large T antigens play a role in regulating the viral life cycle of

Immunoglobulin G antibody molecule C015 / 6789
Immunoglobulin G antibody molecule. Computer artwork of a model of the secondary structure of immunoglobulin G (IgG). This is the most abundant immunoglobulin and is found in all body fluids

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

Plant agglutinin protein C015 / 6107
Plant agglutinin protein, molecular model. This example, from the hedge-apple (Maclura pomifera), is known as Maclura pomifera agglutinin (MPA). It is a tetrameric plant seed lectin

Cytotoxic T-lymphocyte antigen-4 C016 / 1633
Cytotoxic T-lymphocyte antigen-4 (CTLA-4), molecular model. The protein receptor is found on T-lymphocytes, one of the cells of the immune system

Plant agglutinin protein C015 / 6106
Plant agglutinin protein, molecular model. This example, from the hedge-apple (Maclura pomifera), is known as Maclura pomifera agglutinin (MPA). It is a tetrameric plant seed lectin

Cytotoxic T-lymphocyte antigen-4 C016 / 1567
Cytotoxic T-lymphocyte antigen-4 (CTLA-4), molecular model. The protein receptor is found on T-lymphocytes, one of the cells of the immune system

C3-degrading proteinase enzyme C016 / 1363
C3-degrading proteinase enzyme. Molecular model of a proteinase enzyme from the TIGR4 strain of the bacterium Streptococcus pneumoniae

Human interleukin-28B C016 / 1364
Human interleukin-28B (IL-28B), molecular model. Interleukins a group of secreted proteins and signalling molecules that play a range of roles in cellular communication

Human interleukin-28B C016 / 1365
Human interleukin-28B (IL-28B), molecular model. Interleukins a group of secreted proteins and signalling molecules that play a range of roles in cellular communication

IBDV subviral particle, molecular model. IBDV (infectious bursal disease virus) is an avian virus that infects the bursa of Fabricius (specialised bird immune organ) in young chickens

C3-degrading proteinase enzyme C016 / 1362
C3-degrading proteinase enzyme. Molecular model of a proteinase enzyme from the TIGR4 strain of the bacterium Streptococcus pneumoniae

Macrophage engulfing TB bacteria, SEM C014 / 0596
Macrophage engulfing TB bacteria. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell engulfing a tuberculosis (Mycobacterium tuberculosis) bacterium (orange)

Macrophage engulfing TB bacteria, SEM C014 / 0598
Macrophage engulfing TB bacteria. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell engulfing a tuberculosis (Mycobacterium tuberculosis) bacterium (purple)

Macrophage engulfing TB bacteria, SEM C014 / 0595
Macrophage engulfing TB bacteria. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell engulfing a tuberculosis (Mycobacterium tuberculosis) bacterium (pink)

Macrophage engulfing TB bacteria, SEM C014 / 0594
Macrophage engulfing TB bacteria. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell engulfing a tuberculosis (Mycobacterium tuberculosis) bacterium (yellow)

Macrophage engulfing TB bacteria, SEM C014 / 0593
Macrophage engulfing TB bacteria. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell engulfing a tuberculosis (Mycobacterium tuberculosis) bacterium (purple)

Macrophage engulfing TB bacteria, SEM C014 / 0592
Macrophage engulfing TB bacteria. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell engulfing a tuberculosis (Mycobacterium tuberculosis) bacterium (orange)

Macrophage engulfing TB bacteria, SEM C014 / 0590
Macrophage engulfing TB bacteria. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell engulfing a tuberculosis (Mycobacterium tuberculosis) bacterium (blue)

Macrophage engulfing TB bacteria, SEM C014 / 0589
Macrophage engulfing TB bacteria. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell engulfing a tuberculosis (Mycobacterium tuberculosis) bacterium (yellow)

Macrophage engulfing TB bacteria, SEM C014 / 0591
Macrophage engulfing TB bacteria. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell engulfing a tuberculosis (Mycobacterium tuberculosis) bacterium (bright green)

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

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"Unleashing the Power of Immunology: Exploring the Intricate World of Immune Responses" Immunology, a fascinating field that delves into the complex mechanisms of our immune system, holds immense potential in combating diseases. T lymphocytes and cancer cells engage in a constant battle for supremacy, as depicted by SEM C001 / 1679. These tiny warriors play a crucial role in identifying and eliminating abnormal cells. The Immunoglobulin G antibody molecule (F007 / 9894) stands tall as one of our body's most powerful defenders against pathogens. Its remarkable structure enables it to neutralize harmful invaders with precision and efficiency. Neutrophils, exemplified by SEM C018 / 8596, showcase their extraordinary ability to engulf MRSA bacteria—an awe-inspiring sight indeed. Meanwhile, dendritic cells (artwork) act as vigilant sentinels, capturing antigens and presenting them to other immune cells for recognition. TEM reveals an up-close view of human white blood cells bearing HLA antigens—a key component in distinguishing self from non-self. Antibodies (artwork), resembling elegant warriors on a mission, bind specifically to foreign substances to mark them for destruction. HIV reverse transcription enzyme serves as a reminder of the challenges faced by immunologists worldwide. This relentless virus exploits our own cellular machinery but continues to be targeted through innovative research efforts. Human macrophages (TEM) demonstrate their exceptional phagocytic abilities while basophil white blood cells stand ready at the frontlines—both integral players in mounting effective immune responses against invading pathogens. Intriguingly captured by SEM imagery is bacteria infecting a macrophage—a visual representation highlighting how these microscopic organisms can exploit host defenses while also serving as valuable tools for studying infection dynamics. Lastly, Dohle bodies within blood cells offer insights into various pathological conditions affecting neutrophils—an essential clue guiding immunologists towards understanding and treating immune disorders.