Question
Biology Question on Immune System
Histamine is secreted by
A
Mast cells
B
Kupffer's cells
C
Oxyntic cells
D
Neutrophils
Answer
Mast cells
Explanation
Solution
Histamine is produced by basophils and by mast cells found in nearby connective tissues. It increases the permeability of the capillaries to white blood cells and some proteins, to allow them to engage pathogens in the infected tissues.