You searched for:
“allergies”
1. A misguided reaction to foreign substances by the immune system: Carol suffered from an allergy, and this condition of hypersensitivity to some unknown substance totally baffled the doctor.
2. The body system of defense against foreign invaders, particularly pathogens (the agents of infection): The reaction to a foreign substance that is normally harmless can result in an allergy.
2. The body system of defense against foreign invaders, particularly pathogens (the agents of infection): The reaction to a foreign substance that is normally harmless can result in an allergy.
The substances that can trigger allergies are called "allergen".. Examples include pollens, dust mite, molds, danders, and certain foods.
People who are prone to allergies are said to be "allergic" or "atopic".
This entry is located in the following unit:
Computerized Axial Tomography, CAT, or Computed Tomography, CT Terms +
(page 1)
1. A reaction in a way other than that which is usual: Carol suffered from an allergy, and this condition of hypersensitivity to some unknown substance totally baffled the doctor.
2. Sensitiveness to certain foods, animals, pollen, etc: After being in the room with the cat for five minutes, Jane's allergy began to act up and she started to sneeze.
2. Sensitiveness to certain foods, animals, pollen, etc: After being in the room with the cat for five minutes, Jane's allergy began to act up and she started to sneeze.