Immune System Gallery

Download illustrations of cellular and humoral immunity, AIDS and HIV diagrams, cliparts of T cells and B cells in inflammation response and allergy. Also includes autoimmune diseases. The lymphatic system has its own gallery and is not included in here.

Please note: Free downloads are intended to facilitate healthcare education for people in need in low income countries and can be used for educational purposes only. If you can afford it or if you plan to use the images for commercial purposes, please consider buying instead. You can find a larger image collection at higher resolutions for sale at affordable prices on Alila Medical Media website.

To download: right click on full size image – choose “Save image as” and save it into your computer. By downloading from this website you acknowledge that you agree to our Conditions of Use.
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Mechanism of allergy (drug,hay fever, asthma...)
Mechanism of allergy (drug,hay fever, asthma...)
Anaphylactic reaction mechanism: antigen bridges the gap between two antibody molecules on mast cell or basophil, triggering massive release of histamine and other mediators.
Sites of eczema on body, medical drawing.
Sites of eczema on body, medical drawing.
Common sites of eczema in children and adults, medical illustration unlabeled.
Eczema, allergic reaction, labeled diagram.
Eczema, allergic reaction, labeled diagram.
Allergens induce inflammation response of skin causing rash, redness and swelling.
Inflammation process, labeled diagram.
Inflammation process, labeled diagram.
Anatomy of a splinter: chemical signals dilate nearby blood vessels, neutrophils adhere to the inside of blood vessel wall (margination), squeeze out between its endothelial cells (diapedesis), chemotaxis to the site of damage and phagocytose the bacteria.
Elements of blood, medical drawing.
Elements of blood, medical drawing.
Illustration of red and white blood cells, lymphocytes, monocytes, platelets, basophil, eosinophil, neutrophil,.
Leukemia versus normal blood count, illustration.
Leukemia versus normal blood count, illustration.
Cancer of blood, Anemia, medical drawing.
Antigen presenting cell functions, labeled diagram.
Antigen presenting cell functions, labeled diagram.
APC cells engulf enemy cell by phagocytosis and present pieces of antigen on their surface for recognition by T helper cells.
Function of T helper cells, labeled diagram.
Function of T helper cells, labeled diagram.
Immune system basics: activation and action of T helper cells.
Cytotoxic T cells functions, labeled diagram.
Cytotoxic T cells functions, labeled diagram.
Immune system basics, activation and action of cytotoxic t cells.
Contact dermatitis, medical drawing.
Contact dermatitis, medical drawing.
Urushiol oil induced contact (Rhus) dermatitis, illustration of the allergic reaction, unlabeled.
HIV attachment to target T cell, labeled diagram.
HIV attachment to target T cell, labeled diagram.
HIV attaches to target T cell through gp120 and CD4 receptor and coreceptor on host cell.
HIV entry to T cell, labeled drawing.
HIV entry to T cell, labeled drawing.
HIV attachment and entry to T cell and becomes a provirus. Labeled diagram


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