Lymphocyte Collection (#4)

Illustration of HTLV-1 infected T4-lymphocyte cell
Illustration of a T4-lymphocyte cell infected with Human T-lymphotropic Virus type I (HTLV-I) which causes leukaemia. The leukaemia is adult T-cell leukaemia-lymphoma

Blood stream, artwork

B-cell, SEM
B-cell, coloured scanning electron micrograph (SEM). B-cells are a type of white blood cell involved in immune respone. They account for 10 per cent of the bodys lymphocytes

White blood cell, artwork

White blood cell, SEM
White blood cell. Coloured scanning electron micrograph (SEM) of a lymphocyte cell, a type of white blood cell and part of the immune system. Lymphocytes are divided into either B-cells or T- cells

Pyoderma skin disease, SEM
Pyoderma skin disease, coloured scanning electron micrograph (SEM). Large numbers of lymphocytes (white) and red blood cells are seen in necrotic tissue surrounding a hair shaft

White blood cells, SEM
White blood cells. Coloured scanning electron micrograph (SEM) of B lymphocyte white blood cells. Magnification: x5000 when printed at 10 centimetres wide

Lymphocyte white blood cell, SEM
Lymphocyte white blood cell. Coloured scanning electron micrograph (SEM) of a section through a lymphocyte, showing the cell nucleus (upper centre) and cytosol (blue)

Lymph node, TEM
Lymph node. Coloured transmission electron micrograph (TEM) of a section through the peripheral corona of a lymph nodule, showing numerous small lymphocyte white blood cells (dark)

Cell infected with HIV, electronic image
Experts of the Ivanovsky Virusology Institute [USSR Academy of Medical Sciences] have made this electronic image of a cell infected with the AIDS virus

Immune system, artwork
Immune system. Computer artwork showing how T-cells (right), antibodies (Y-shaped) and antigen-presenting cells (APC, left) interact during an immune response

Immune response to chronic inflammation. Computer artwork showing the interaction of T cell, lymphocyte, and macrophage white blood cells in response to chronic inflammation of the skin (top)

Blood cells, artwork
Blood cells. Cut-away artwork of a blood vessel showing the blood cells inside. The majority of blood cells are erythrocytes (red blood cells)

Allergic response, artwork
Allergic response. Computer artwork showing the process that produces an allergic reaction. Antigens (blue), such as pollen

Blood cells, SEM
Blood cells. Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucocyte, blue). These are the two main cell components of blood

HIV particles exiting a cell, artwork
HIV particles exiting a cell. Artwork of HIV (human immunodeficiency virus) particles exiting a T-lymphocyte (white blood cell). HIV causes AIDS (acquired immune deficiency syndrome)

Blood cells in blood vessel, artwork
Blood cells in blood vessel, computer artwork. Red blood cells (erythrocytes, red) distribute oxygen to body tissues, and carry waste carbon dioxide back to the lungs

Small lymphocyte, TEM
Small lymphocyte. Coloured transmission electron micrograph (TEM) showing the large central nucleus (brown) of a small lymphocyte (white blood cell)

T-cell receptor - MHC complex. Computer model showing the molecular structure of a T-cell receptor (TCR, pink and blue) bound to an allogeneic (non-self) major histocompatibility complex (MHC)

Lymphocytes in skin disorder, SEM
Lymphocytes in skin disorder, coloured scanning electron micrograph (SEM). Lymphocytes (light green) are seen in inflamed and necrotic tissue

Cell infected with HIV, SEM
Cell infected with HIV. Coloured scanning electron micrograph (SEM) of HIV particles (yellow) budding from the membrane of a host cell (red)

CD4 protein fragment, molecular model
CD4 protein fragment. Molecular model of the CD4 glycoprotein, which plays a vital role in the immune system. It is found on the surface of white blood cells called T cells

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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.