Structure, Function and Staining Characteristics of Normal Blood Cells Flashcards
What is another name for a red blood cell?
erythrocyte
what is the size of a red blood cell and what are the normal reference ranges for them in men and women?
Red blood cells are 7-8 um in size. Ref range is 4.5-5.5 x10^12/L in men, and 3.8-4.8x10^12/L in women
what is the life span of a RBC
120 days
What colour are RBC when stained in a blood film
salmon pink
what does the bi-concave shape of the RBC allow it to do?
very flexible, large surface area to pick up O2 in the lungs
where are RBCs produced
in the bone marrow from an erythroblast which derives from a haemopoietic stem cell
when do red blood cells have a nucleus?
precursors in the bone marrow have a nucleus, but as they mature they lose it prior to release into the blood.
what is another name for a platelet
thrombocytes
from what cell are platelets dervied?
megakaryocyte which is derived from the haemopoietic stem cell
what is the reference range for platelets
150-400 x10^9/L
what colour are platelets stained in a blood film
pale blue
what are the 5 types of white blood cells
neutrophil, eosinophils, basophils, lymphocyte, monocyte
what is the reference range for leucocytes in the body
4-10x10^9/L
which white blood cells are known as granulocytes and why?
neutrophils, eosinophils, basophils- these leucocytes have granules in the cytoplasm
how is the nucleus in a granulocyte described
a lobed nucleus