Immunology Collection (page 6)

Grass pollen allergen molecule
Grass pollen allergen. Molecular model of the major grass pollen allergen Phl p2 complexed with the antigen-binding fragment (fab) of its human immunoglobulin E antibody

Antibodies and bacteria, artwork
Antibodies and bacteria. Computer artwork showing white blood cells (large, round) and antibody, or immunoglobulin, molecules (red) surrounding bacteria (green)

White blood cell antigen presentation C016 / 9058
White blood cell antigen presentation. Coloured scanning electron micrograph (SEM) showing the interaction between a macrophage (yellow) and a T helper lymphocyte (Th cell, green)

Microglial white blood cell, SEM C016 / 9115
Microglial white blood cell. Coloured scanning electron micrograph (SEM) of a microglial cell. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Shigella bacterium and macrophage, SEM C016 / 8922
Shigella bacterium. Coloured scanning electron micrograph (SEM) of a Shigella sp. bacterium (orange) being engulfed by a macrophage white blood cell. This process is called phagocytosis

Shigella bacterium and macrophage, SEM C016 / 8924
Shigella bacterium. Coloured scanning electron micrograph (SEM) of a Shigella sp. bacterium (green) being engulfed by a macrophage white blood cell. This process is called phagocytosis

Microglial white blood cell, SEM C016 / 9119
Microglial white blood cell. Coloured scanning electron micrograph (SEM) of a microglial cell. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Microglial white blood cell, SEM C016 / 9117
Microglial white blood cell. Coloured scanning electron micrograph (SEM) of a microglial cell. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Lymphocyte white blood cell, SEM C016 / 9414
Lymphocyte white blood cell. Coloured scanning electron micrograph (SEM) of a lymphocyte white blood cell. Lymphocytes are involved in the immune systems defence mechanisms, lymph system

Microglial white blood cell, SEM C016 / 9109
Microglial white blood cell. Coloured scanning electron micrograph (SEM) of a microglial cell. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Shigella bacterium and macrophage, SEM C016 / 8923
Shigella bacterium. Coloured scanning electron micrograph (SEM) of a Shigella sp. bacterium (orange) being engulfed by a macrophage white blood cell. This process is called phagocytosis

Lymphocyte white blood cell, SEM C016 / 9415
Lymphocyte white blood cell. Coloured scanning electron micrograph (SEM) of a lymphocyte white blood cell. Lymphocytes are involved in the immune systems defence mechanisms, lymph system

Lymphocyte white blood cells, SEM C016 / 9140
Lymphocyte white blood cells. Coloured scanning electron micrograph (SEM) of lymphocyte white blood cells from peripheral blood

White blood cell antigen presentation C016 / 9057
White blood cell antigen presentation. Coloured scanning electron micrograph (SEM) showing the interaction between a macrophage (red) and a T helper lymphocyte (Th cell, yellow)

Microglial white blood cell, SEM C016 / 9114
Microglial white blood cell. Coloured scanning electron micrograph (SEM) of a microglial cell. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Microglial white blood cells, SEM C016 / 9113
Microglial white blood cells. Coloured scanning electron micrograph (SEM) of microglial cells. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Microglial white blood cell, SEM C016 / 9118
Microglial white blood cell. Coloured scanning electron micrograph (SEM) of a microglial cell. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Microglial white blood cells, SEM C016 / 9111
Microglial white blood cells. Coloured scanning electron micrograph (SEM) of microglial cells. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Microglial white blood cells, SEM C016 / 9112
Microglial white blood cells. Coloured scanning electron micrograph (SEM) of microglial cells. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Microglial white blood cell, SEM C016 / 9116
Microglial white blood cell. Coloured scanning electron micrograph (SEM) of a microglial cell. Microglia are phagocytic macrophage white blood cells that are the main form of immune system in

Lymphocyte white blood cells, SEM C016 / 9138
Lymphocyte white blood cells. Coloured scanning electron micrograph (SEM) of lymphocyte white blood cells from peripheral blood

Acute myeloid leukaemia, micrograph
Acute myeloid leukaemia. Light micrograph of blood cells from bone marrow in a case of acute myeloid leukaemia. These cells include a monocytoid myeloblast stem cell

Alpha-beta T-cell receptor, molecular model. The T cell receptor (TCR) is a protein complex found on the surface of a type of white blood cell called T lymphocytes (or T cells)

Cystine in bone marrow, light micrograph
Cystine in bone marrow. Light micrograph of crystals of cystine among blood cells in a sample of bone marrow. Cystine is an amino acid that can form crystals in urine

Bone marrow blood cells, light micrograph

HIV antibody and glycoprotein complex. Molecular model of the anti-human immunodeficiency virus type 1 (anti-HIV-1) antibody 2F5 in complex with the gp41 envelope glycoprotein of HIV-1

Monocyte blood cell, light micrograph. Monocytes are a type of white blood cell, part of the bodys immune system. Monocytes are the largest white blood cell

Macrophage white blood cells, TEM
Macrophage white blood cells. Transmission electron micrograph (TEM) of a section through two macrophages located within connective tissue, showing the nuclei and numerous lysosomes (dark spots)

Blood cell cancer, light micrograph
Blood cell cancer. Light micrograph of blood cells from a lymphatic ganglion in a case of a blood cancer of a mixed cell type

Infectious mononucleosis, micrograph
Infectious mononucleosis. Light micrograph of blood cells obtained from an inflamed lymphatic ganglion in a case of infectious mononucleosis (glandular fever)

MHC protein-antigen complex C015 / 1924
MHC protein-antigen complex. Molecular model of the human class I MHC (major histocompatibility complex) protein HLA-D27 complexed with a peptide antigen

Activated plasma cell, TEM
Activated plasma cell, coloured transmission electron micrograph (TEM). Plasma cells are derived from stimulated B lymphocytes (white blood cells)

Basophil white blood cell, TEM
Basophil white blood cell. Transmission electron micrograph (TEM) of section through a circulating basophil cell. Basophils are the smallest and least common of the white blood cells

Lymphoblastic sarcoma, light micrograph
Lymphoblastic sarcoma. Light micrograph of blood cells from bone marrow in a case of lymphoblastic sarcoma. These small lymphoblasts (dark red) characteristically have conspicuous nucleoli

Plasmocyte blood cell, light micrograph. Plasmocytes, also called plasma cells, are derived from stimulated B lymphocytes (white blood cells)

Multiple myeloma, light micrograph
Multiple myeloma. Light micrograph of dystrophy (abnormality) of plasmocyte blood cells from bone marrow in a case of multiple myeloma, also known as Kahlers disease or plasma cell myeloma

Lymphoplasmacytic lymphoma, micrograph
Lymphoplasmacytic lymphoma. Light micrograph of a mixture of small lymphocytes and plasma cells from bone marrow in a case of lymphoplasmacytic lymphoma, also known as Waldenstroms macroglobulinemia

Hairy cell leukaemia, light micrograph
Hairy cell leukaemia. Light micrograph of blood cells in a case of hairy cell leukaemia. This sample, treated with May-Grunwald-Giemsa (MGG) stain

Mast cells, light micrograph
Mast cells. Light micrograph of several mast cells (pink rounded objects). These leucocytes (white blood cells) contain the chemical mediators histamine, serotonin and heparin

Lymphocyte white blood cell, TEM
Lymphocyte white blood cell. Transmission electron micrograph (TEM) of a section through lymphocyte, showing the nucleus (large, round, centre), endoplasmic reticulum (ER)

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

Malignant histiocytosis, light micrograph
Malignant histiocytosis. Light micrograph of blood cells in a case of malignant histiocytosis. Hystiocytosis is an excess number of histiocytes

Blood cells, light micrograph
Blood cells. Light micrograph of red blood cells (erythrocytes, light blue) and white blood cells (leucocytes, nuclei stained purple)

Chediak-Higashi syndrome, micrograph
Chediak-Higashi syndrome. Light micrograph of blood cells in a case of Chediak-Higashi syndrome. The cells include neutrophil white blood cells with abnormal granules

Metastatic breast cancer, micrograph
Metastatic breast cancer. Light micrograph of blood cells in a case of metastatic (secondary) medullary breast cancer. Medullary breast cancer is a rare form of breast cancer that is diagnosed by

Metastatic lung cancer, micrograph
Metastatic lung cancer. Light micrograph of blood cells in a case of metastatic (secondary) medullary lung cancer. Medullary cancer (carcinoma)

Alders anomaly, light micrograph
Alders anomaly. Light micrograph of an abnormal lymphocyte white blood cell (centre) from a blood sample in a case of Alders anomaly

Granulocyte white blood cell, TEM
Granulocyte white blood cell. Coloured transmission electron micrograph (TEM) of a neutrophil granulocyte, a type of white blood 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.