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Allergic Reaction Collection

Allergic reactions can be triggered by various factors, ranging from insect stings to microscopic organisms lurking in our surroundings

Background imageAllergic Reaction Collection: Eyelash mite tail, SEM

Eyelash mite tail, SEM
Eyelash mite tail. Coloured scanning electron micrograph (SEM) of the tail (centre) of an eyelash, or follicle, mite (Demodex folliculorum) protruding from a dissected human hair follicle

Background imageAllergic Reaction Collection: Wasp sting reaction

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

Background imageAllergic Reaction Collection: Dust mites, SEM Z445 / 0355

Dust mites, SEM Z445 / 0355
Dust mites (Dermatophagoides sp.) and dust debris, coloured scanning electron micrograph (SEM). Every house has millions of dust mites

Background imageAllergic Reaction Collection: Eyelash mite, SEM Z445 / 0308

Eyelash mite, SEM Z445 / 0308
Eyelash mite. Coloured scanning electron micrograph (SEM) of an eyelash, or follicle, mite (Demodex folliculorum), a harmless parasite which lives inside human hair follicles

Background imageAllergic Reaction Collection: Dust mites

Dust mites. Coloured scanning electron micrograph (SEM) of two dust mites (Dermatophagoides sp.) on fabric fibres. Millions of dust mites inhabit the home, feeding on shed skin cells

Background imageAllergic Reaction Collection: Eosinophil white blood cell, TEM C014 / 1438

Eosinophil white blood cell, TEM C014 / 1438
Eosinophil white blood cell. Transmission electron micrograph (TEM) of a section through an eosinophil. Eosinophils, like all white blood cells, are part of the bodys immune system

Background imageAllergic Reaction Collection: Eosinophil white blood cell, TEM C014 / 1437

Eosinophil white blood cell, TEM C014 / 1437
Eosinophil white blood cell. Transmission electron micrograph (TEM) of a section through an eosinophil. Eosinophils, like all white blood cells, are part of the bodys immune system

Background imageAllergic Reaction Collection: Eosinophil white blood cell, TEM C014 / 1439

Eosinophil white blood cell, TEM C014 / 1439
Eosinophil white blood cell. Transmission electron micrograph (TEM) of a section through an eosinophil. Eosinophils, like all white blood cells, are part of the bodys immune system

Background imageAllergic Reaction Collection: Grass pollen allergen molecule

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

Background imageAllergic Reaction Collection: Basophil white blood cell, TEM

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

Background imageAllergic Reaction Collection: Conjunctivitis C014 / 1341

Conjunctivitis C014 / 1341
MODEL RELEASED. Conjunctivitis. Woman with an inflamed left eye (upper right) due to conjunctivitis. This is the inflammation of the membrane that lines the inside of the eyelids and covers the eye

Background imageAllergic Reaction Collection: Nasal decongestant C013 / 6051

Nasal decongestant C013 / 6051
MODEL RELEASED. Nasal decongestant being used by a young woman. Nasal sprays are useful for the relief of nasal congestion

Background imageAllergic Reaction Collection: Nasal decongestant C013 / 6049

Nasal decongestant C013 / 6049
MODEL RELEASED. Nasal decongestant being used by a young woman. Nasal sprays are useful for the relief of nasal congestion

Background imageAllergic Reaction Collection: Nasal decongestant C013 / 6044

Nasal decongestant C013 / 6044
MODEL RELEASED. Nasal decongestant being used by a young woman. Nasal sprays are useful for the relief of nasal congestion

Background imageAllergic Reaction Collection: Western Poison-Oak (Pacific Poison-oak) - in flower. Causes rashes or dermatitis. California

Western Poison-Oak (Pacific Poison-oak) - in flower. Causes rashes or dermatitis. California
ROG-13940 Western Poison-Oak (Pacific Poison-oak) - in flower Causes rashes or dermatitis. California. Toxicodendron diversilobum Bob Gibbons contact details: prints@ardea.com tel

Background imageAllergic Reaction Collection: Mast cell, SEM

Mast cell, SEM
Mast cell, coloured scanning electron micrograph (SEM). Mast cells are a type of white blood cell that are found in connective tissue

Background imageAllergic Reaction Collection: Itchy skin

Itchy skin
MODEL RELEASED. Girl suffering from itchy skin as a result of an allergic reaction. She is eight years old

Background imageAllergic Reaction Collection: Allergens

Allergens. Conceptual computer artwork of allergens in the nasal cavity. The spiky spheres could represent pollen grains, while the smooth spheres could represent dust particles

Background imageAllergic Reaction Collection: Charles Richet, French physiologist

Charles Richet, French physiologist
Charles Robert Richet (1850-1935), French physiologist. Richet studied medicine in Paris and was appointed professor of physiology at the University of Paris, Sorbonne, in 1887

Background imageAllergic Reaction Collection: Seafood plate

Seafood plate
Seafood platter comprising mussels, squid rings, prawns and oysters. Seafood is a good source of protein, but can provoke allergies in some people

Background imageAllergic Reaction Collection: Mast cell, TEM

Mast cell, TEM
Mast cell, coloured transmission electron micrograph (TEM). Mast cells are a type of white blood cell found in connective tissue

Background imageAllergic Reaction Collection: Hay fever, artwork

Hay fever, artwork
Hay fever. Artwork depicting hay fever showing pollen grains (yellow-blue) entering the nasal cavity (right) of a hay fever sufferer. Pollen grains are released when flowering plants reproduce

Background imageAllergic Reaction Collection: Basophil white blood cells, artwork

Basophil white blood cells, artwork
Basophil white blood cells. Computer artwork of basophil white blood cells, showing their lobed nuclei (red). Basophils are the smallest and least common of the white blood cells

Background imageAllergic Reaction Collection: Eosinophil white blood cells, artwork

Eosinophil white blood cells, artwork
Eosinophil white blood cells. Computer artwork of eosinophil white blood cells, showing their lobed nuclei (centre). Eosinophils, like all white blood cells, are part of the immune system

Background imageAllergic Reaction Collection: Histamine allergic reaction, diagram

Histamine allergic reaction, diagram
Histamine allergic reaction. Diagram showing the process that leads to the release of histamine during an allergic reaction. Cells called mast cells (orange) mediate this response

Background imageAllergic Reaction Collection: Hay fever, conceptual artwork

Hay fever, conceptual artwork. Head of a human figure with flower images representing the allergic reaction known as hay fever

Background imageAllergic Reaction Collection: White blood cell, TEM

White blood cell, TEM
White blood cell. Coloured transmission electron micrograph (TEM) of an eosinophil (a type of white blood cell), part of the bodys immune system

Background imageAllergic Reaction Collection: Leukotriene E4 molecule

Leukotriene E4 molecule. Computer model showing the structure of the fatty acid leukotriene E4. Atoms are colour-coded (carbon: dark grey, hydrogen: light grey, nitrogen: blue, sulphur: yellow)

Background imageAllergic Reaction Collection: Antihistamine drug crystals, SEM

Antihistamine drug crystals, SEM
Antihistamine drug crystals, coloured scanning electron micrograph (SEM). Antihistamines block the effect of the chemical histamine



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Allergic reactions can be triggered by various factors, ranging from insect stings to microscopic organisms lurking in our surroundings. One such example is the aftermath of a wasp sting, which can lead to an intense allergic reaction. The venom injected by the wasp causes swelling and redness around the affected area, often accompanied by pain and itching. On a much smaller scale, we delve into the world of eyelash mites. These tiny creatures reside on our eyelashes and feed off dead skin cells. However, their presence can sometimes cause discomfort for individuals with allergies. Under scanning electron microscopy (SEM), their tails become visible as they cling onto each lash. Moving on to dust mites - another common allergen found in households worldwide. SEM images reveal these minuscule arachnids up close; their translucent bodies covered in bristles that help them navigate through household dust particles. These microscopic pests are notorious for triggering allergic reactions such as sneezing, coughing, and itchy eyes. The intricate details captured under SEM expose the true nature of these allergens - whether it's a single dust mite or an entire colony thriving within your home's nooks and crannies. Their presence may go unnoticed but can wreak havoc on sensitive individuals who experience severe allergic responses upon exposure. Understanding the sources of allergic reactions is crucial for managing one's health effectively. From wasp stings to unseen inhabitants like dust mites or eyelash mites, being aware of potential triggers empowers us to take necessary precautions and seek appropriate treatments when needed.