basophil
basophil — noun
- basophilsingular
- basophilsplural
1. A type of white blood cell that helps the body react to allergens by releasing c
A type of white blood cell that helps the body react to allergens by releasing chemicals such as histamine, and that turns a dark colour when treated with a basic laboratory stain.
Darius's blood test showed a basophil count slightly above the normal range.
basophil count — test result measurement
When Mira's skin touched cat hair, her basophils released histamine and caused red patches.
basophils release histamine — allergic reaction mechanism
Under a microscope, basophils look dark purple because they absorb the basic dye.
Dr. Constanza said basophils make up less than one percent of all white blood cells.
The lab technician counted basophils on a stained slide and recorded the number.
用法筆記
A formal medical term used mainly in laboratory reports, allergy research, and haematology. In everyday conversation, people are more likely to say 'white blood cell count' than 'basophil count.' The plural form 'basophils' is more frequently used than the singular.