Histology: blood cells Flashcards
what is the diameter of platelets and describe their nucleus
2um and they have no nucleus
describe the nucleus and staining of neutrophils
multilobed nucleus and do not stain well(with acidic or basic)
describe the nucleus and staining of eosinophils
bilobed nucleus and stains pink(acidic, eosin)
describe the nucleus and staining of basophils
bilobed(often obscured by granules) and purple staining(basic, hematoxylin)
name the 3 granulocytes
eosinophils, basophils and neutrophils
describe the nucleus shape of monocytes
kidney bean nucleus
describe the shape of the lymphocyte nucleus and cytoplasm
round nucleus with a thin cytoplasm
what are the granules in basophils
histamine, heparin and other inflammatory mediators
describe features of neutrophils (3)
circulate inactivated until inflammation stimulates entry into cell
abundant & short-lived
what are the granules in eosinophils and what is there function
hydrolytic enzymes
they induce/maintain inflammation in allergic reactions, asthma + parasitic infections
what are monocytes
precursors for macrophages
what receptor do basophils have a high affinity for
IgE receptors(effector cells in allergic reactions)