Question

Mention any two substances secreted by mast cells and their functions.

Answer 1

mast cell secretes histamine, cytokinesis, leukotrienes.
histamine directly causes dilation of blood vessels while cytokinesis & leukotrienes causes inflammatory reaction

Answer 2

Type of white blood cell playing significant roles in immune and neuroimmune systems are called the mast cells. It contains many granules rich with two main substances histamine and heparin.

Histamine is an important substance which is produced after any physical damage, infection or allergic reaction and causes blood vessels to dilate.

Heparin is an anticoagulant drug which is used to prevent blood clotting during surgery.