Lymphocyte Collection

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

Coloured SEM of a white blood cell (lymphocyte)
Lymphocyte blood cell. Coloured scanning electron micrograph (SEM) of a lymphocyte, a common type of white blood cell. Characteristic of this rounded cell are the long microvilli which project

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

Coloured SEM of lymphocytes attacking cancer cell
Cancer cell death. Coloured Scanning Electron Micrograph (SEM) showing killer T-lymphocytes (orange) inducing a cancer cell (mauve) to undergo Programmed Cell Death (PCD)

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

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

Microscopic view of a leukemia cell

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

TEM of HIV (AIDS) viruses budding from a T-cell
AIDS virus. Transmission electron micrograph (TEM) of a T-lymphocyte blood cell infected with Human Immunodeficiency virus (HIV), the causative agent of AIDS

Lymphocytes in hair follicle, SEM
Lymphocytes in hair follicle, coloured scanning electron micrograph (SEM). Large numbers of lymphocytes (yellow) are seen in inflamed and necrotic tissue at the base of hair shafts (red)

Illustration of immune response, involving chain of defensive white blood cells, triggered by microb

Anatomy of human nervous system and lymphatic system, front view

Colorized image of HIV-infected H9 T-cell

Scanning electron micrograph of a human T cell
Scanning electron micrograph of a human T lymphocyte (also called a T cell) from the immune system of a healthy donor

Colorized scanning electron micrograph of a T lymphocyte

Microscopic view of a group of leukemia cells

Microscopic view of human B-cells which play a large role in the immune response system

Blood clot, SEM C017 / 7141
Blood clot, coloured scanning electron micrograph (SEM). Red blood cells (erythrocytes) and a white blood cell (purple) trapped within a fibrin protein mesh (cream)

Lymphocyte white blood cell, artwork F007 / 6428
Lymphocyte white blood cell, computer artwork. Lymphocytes are involved in the immune systems defence mechanisms, lymph system, and antibody production

Blood smear, light micrograph F005 / 6090
Blood smear. Light micrograph showing normal red and white blood cells. At upper centre is monocyte, at top right and centre right are neutrophils, at bottom right is a basoophil

Alemtuzumab Fab fragment molecule F007 / 0097
Alemtuzumab Fab fragment, crystal structure. Alemtuzumab is a humanized monoclonal antibody that binds the CD52 protein and is used in the treatment of cancer and auto-immune disease

MHC protein complexed with flu virus F006 / 9294
MHC protein complexed with flu virus. Molecular model showing human class II MHC (major histocompatibility complex) protein HLA-DR1 complexed with an influenza (flu) virus peptide

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

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

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

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

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)

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

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

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

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

Leukaemia cell, SEM
Leukaemia cell. Coloured scanning electron micrograph (SEM) of a leukaemic (cancerous) lymphocyte white blood cell (green), amongst normal red blood cells (erythrocytes, red)

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

Gastritis, light micrograph C016 / 0508
Gastritis. Light micrograph of a section through an inflamed human stomach (gastritis), showing an abnormal accumulation of white blood cells (leucocytes)

Gastritis, light micrograph C016 / 0507
Gastritis. Light micrograph of a section through an inflamed human stomach (gastritis), showing an abnormal accumulation of white blood cells (leucocytes)

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)

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

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

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Lymphocytes: The Mighty Defenders of our Immune System Blood cells play a crucial role in maintaining our overall health, and among them, lymphocytes stand out as the true warriors. In this captivating journey through microscopic wonders, we explore the incredible world of these white blood cells. Through a colored scanning electron microscope (SEM), we witness the beauty of a lymphocyte up close. Its intricate structure reveals its readiness to combat any threat that may invade our body. Another SEM image showcases lymphocytes fearlessly attacking cancer cells, highlighting their vital role in fighting against this deadly disease. Moving deeper into the immune system's realm, we encounter plasma cells under a transmission electron microscope (TEM). These specialized lymphocytes produce antibodies that neutralize harmful pathogens and protect us from infections. An artistic representation captures the essence of these remarkable white blood cells. Their elegance is portrayed through delicate brushstrokes, reminding us of their tireless dedication to safeguarding our well-being. However, not all battles are won easily. A TEM image unveils HIV particles infecting human H9 T-cells – an unfortunate sight that reminds us of the ongoing fight against AIDS and emphasizes how crucial it is to support research for finding effective treatments. In another microscopic view lies a leukemia cell - a reminder that sometimes even our own defense mechanisms can go awry. This glimpse serves as motivation for scientists striving to understand and develop therapies for such diseases. Collaboration between different immune system components is key; thus, we observe macrophages working alongside lymphocytes in yet another TEM image. Together they form an unbreakable shield against invading pathogens or abnormal cellular growths. The battle against HIV continues with an astonishing TEM capture showcasing viruses budding from T-cells affected by AIDS—a stark reminder of how vital it is to raise awareness about prevention methods and provide support for those living with this devastating condition. Even within hair follicles lies evidence activity, as seen through a SEM image.