Immune System Collection

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

T lymphocytes and cancer cell, SEM C001 / 1679
T lymphocytes and cancer cell. Coloured scanning electron micrograph (SEM) of T lymphocyte cells (green) attached to a cancer cell

Immunoglobulin G antibody molecule F007 / 9894
Immunoglobulin G antibody molecule. Computer model of the secondary structure of immunoglobulin G (IgG). This is the most abundant immunoglobulin and is found in all body fluids

Neutrophil engulfing MRSA, SEM C018 / 8596
Neutrophil engulfing MRSA. Coloured scanning electron micrograph (SEM) of a neutrophil white blood cell (green) engulfing methicillin-resistant Staphylococcus aureus bacteria (MRSA, pink)

Dendritic cells, artwork. Dendritic cells, a type of white blood cell, are called antigen presenting cells (APCs) and are found in the bodys tissues

TEM of human white blood cell bearing HLA antigen
False-colour transmission electron micrograph (TEM) of a human white blood cell (bottom), showing presence of an HLA antigen (human leucocyte antigen)

Blood cells, computer artwork. Red blood cells (red), or erythrocytes, are biconcave disc-shaped cells that are responsible for supplying tissues with oxygen

Antibodies, artwork
Computer artwork of antibody molecules showing the structure of an immunoglobulin G (IgG) molecule. This is the most abundant immunoglobulin and is found in all body fluids

Cortisol crystals, light micrograph
Cortisol crystals, polarised light micrograph. Cortisol is a steroid hormone produced by the adrenal glands, which sit on top of the kidneys

Dohle bodies in blood cell, micrograph
Dohle bodies in blood cell. Light micrograph of a neutrophil white blood cell (centre) with Dohle bodies. These are small inclusions within the cells cytoplasm

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

Activated macrophage, SEM C015 / 6375
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

Illustration of response to infection after vaccination, involving microbe, antigens, antibody, plas

Plasma cells, TEM
Plasma cells. Coloured transmission electron micrograph (TEM) of plasma cells. Plasma cells are mature B lymphocytes (white blood cells) that produce and secrete antibodies during an immune response

Acute promyelocytic leukaemia, micrograph
Acute promyelocytic leukaemia. Light micrograph of blood cells from bone marrow in a case of acute promyelocytic leukaemia. Leukaemia is a cancer where certain blood cells form in excess

Phagocytosis of fungal spores, SEM
Phagocytosis of a fungus spore. Coloured scanning electron micrograph (SEM) of a neutrophil (blue) phagocytosing (engulfing and destroying) spores from the fungus Aspergillus fumigatus (red)

Neutrophil cell trapping bacteria, SEM
Neutrophil cell trapping bacteria. Coloured scanning electron micrograph (SEM) of bacteria (rod-shaped) being trapped by a neutrophil cell

Macrophage cells, SEM
Macrophage cells. Coloured scanning electron micrograph (SEM) of macrophage white blood cells. Macrophages are cells of the bodys immune system

Interferon molecule. Computer model showing the secondary structure of a molecule of interferon. Interferons are proteins produced by white blood cells as part of the immune response to invading

Lymphocyte white blood cells, artwork
Lymphocyte white blood cells. Computer artwork of lymphocyte white blood cells, showing their nuclei (red, centre). Lymphocytes, like all white blood cells, are part of the immune system

Female body showing digestive and circulatory system
Medical illustration of female body showing digestive and circulatory system, perspective view

Cartoon informing people to boost their immune systems during the flu season, 19th century
5309252 Cartoon informing people to boost their immune systems during the flu season, 19th century; (add.info.: Cartoon informing people to boost their immune systems during the flu season)

Ilya Ilyich Mechnikov, Russian microbiologist, c1900s(?). Artist: Nadar
Ilya Ilyich Mechnikov, Russian microbiologist, c1900s(?). Mechnikov (1845-1916) continued the work of Louis Pasteur, specialising in the study of the immune system

Ilya Ilich Mechnikov, Russian microbiologist. Mechnikov (1845-1916) continued the work of Louis Pasteur, specialising in the study of the immune system

Anatomy of human circulatory system

Rhinovirus and antibody, molecular model C015 / 7139
Rhinovirus. Molecular model of the antigen-binding fragment (Fab) from a strongly neutralising antibody bound to a human rhinovirus 14 (HRV-14) particle

Phagocytosis of fungus spores, SEM
Phagocytosis of fungus spores. Coloured scanning electron micrograph (SEM) of spores from the fungus Aspergillus fumigatus (red) being phagocytosed (engulfed and destroyed) by a dendritic cell (brown)

Wasp sting reaction. Swollen hand of a 43 year old man next to his other unaffected hand. The swelling and inflammation is caused by an allergic reaction to a wasp sting

Scanning electron micrograph of HIV particles infecting a human H9 T cell

Conceptual image of platelet, red blood cell and white blood cell

Pulmonary embolism, pathway of embolus to the heart and lungs

Female anatomy, artwork F007 / 3566
Female anatomy, computer artwork

Female anatomy, artwork F007 / 3972
Female anatomy, computer artwork

Female anatomy, artwork F007 / 6967
Female skeleton and nervous system, computer artwork

Female anatomy, artwork F007 / 7031
Female skeleton and lymphatic system, computer artwork

Female anatomy, artwork F007 / 6968
Female skeleton and nervous system, computer artwork

Female anatomy, artwork F007 / 7035
Female skeleton and lymphatic system, computer artwork

Female anatomy, artwork F007 / 7021
Female skeleton and lymphatic system, computer artwork

Female anatomy, artwork F007 / 7033
Female skeleton and lymphatic system, computer artwork

Red and white blood cells. Coloured scanning electron micrograph (SEM) showing two types of human blood cells. Red blood cells (or erythrocytes, red) and a white blood cell (or leucocyte)

HIV infected macrophage, SEM C018 / 8598
HIV infected macrophage. Coloured ion-abrasion scanning electron micrograph (IA-SEM) of a macrophage white blood cell infected with human immunodeficiency virus (HIV, red)

Immunoglobulin G antibody and egg white F006 / 9682
Immunoglobulin G and egg white. Molecular model of an immunoglobulin G (IgG) antibody bound to a molecule of egg white. This is the most abundant immunoglobulin and is found in all body fluids

Thymus gland, light micrograph C015 / 4970
Thymus gland. Light micrograph of a section through tissue from the thymus gland, part of the lymphoid system. The dense areas are the thymic cortex, which produces lots of lymphocytes

Myeloblast blood cell, light micrograph
Myeloblast blood cell. Light micrograph of blood cells, including a myeloblast, a precursor for a type of white blood cell (leucocyte). Myeloblasts differentiate into granulocytes

Promyelocyte blood cell, light micrograph. This blood cell (centre) is a precursor for a type of white blood cell called a granulocyte, formed by granulopoiesis in the bone marrow

Chronic lymphocytic leukaemia, micrograph
Chronic lymphocytic leukaemia. Light micrograph of blood cells sampled from a lymphatic ganglion in a case of chronic lymphocytic leukaemia, also called chronic lymphoid leukaemia (CLL)

Macrophage and lymphocytes, TEM
Macrophage and lymphocytes, transmission electron micrograph (TEM). Macrophage surrounded by lymphocytes in a lymph node. This view includes many intercellular contacts

Rhinovirus and antibody, molecular model C015 / 7138
Rhinovirus. Molecular model of the antigen-binding fragment (Fab) from a strongly neutralising antibody bound to a human rhinovirus 14 (HRV-14) particle

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"The Immune System: A Complex Network of Defenders" Our a remarkable defense mechanism that safeguards our body against harmful invaders. At the forefront of this battle are T lymphocytes, specialized white blood cells capable of recognizing and destroying cancer cells. SEM C001 / 1679 reveals the intricate interaction between these vigilant warriors and malignant intruders. Another crucial component in our immune arsenal is the Immunoglobulin G antibody molecule, as depicted in F007 / 9894. These powerful molecules neutralize pathogens by binding to them, preventing their harmful effects on our body. Neutrophils, captured in action through SEM C018 / 8596, showcase their ability to engulf dangerous bacteria like MRSA. These fearless soldiers patrol our bloodstream, eliminating potential threats with precision and efficiency. Dendritic cells play a pivotal role in orchestrating immune responses. In an artistic representation, we see these sentinel-like cells capturing antigens and presenting them to other immune cells for recognition (artwork). The TEM image of a human white blood cell bearing HLA antigen highlights its significance in identifying foreign substances and triggering appropriate immune responses. Blood cells form the backbone of our immunity; they transport oxygen and vital nutrients while also serving as defenders against invading pathogens. Antibodies take center stage once again in captivating artwork depicting their diverse shapes and functions. They act as molecular weapons targeting specific antigens with incredible accuracy. Cortisol crystals under light micrograph remind us that stress can impact our immune system's performance. Managing stress levels becomes crucial for maintaining optimal immunity. Micrograph evidence showcases Dohle bodies within blood cells—an indicator of infection or inflammation—a reminder that vigilance is key to combating potential health threats effectively. An illustration portrays how vaccination triggers an orchestrated response involving microbes, antigens, antibodies, plasma cells (TEM), ultimately fortifying our defenses against future infections. Understanding the complexity and resilience of our immune system is essential.