feedback3="'''Incorrect.''' A mast cell is a tissue based cell, with a similar role to basophils in the blood. A macrophage is a monocyte that has entered tissue. [[Leukopoiesis - WikiBlood#Monocyte development|WikiVet Article: Monocyte development]]" | feedback3="'''Incorrect.''' A mast cell is a tissue based cell, with a similar role to basophils in the blood. A macrophage is a monocyte that has entered tissue. [[Leukopoiesis - WikiBlood#Monocyte development|WikiVet Article: Monocyte development]]" |