Blood Flashcards
Components of blood
Formed elements and plasma
Liquid portion of blood
Plasma
Formed elements
cells and cell fragments(RBCs, platelets,WBCs)
Hematocrit
45%
Buffy coat
Consists of leukocytes and platelets
Type of stain for peripheral blood smear
Wright’s stain
Erythrocytes
- RBCs
- most abundant formed element
- no nucleus
- biconcave disc
- central pallor
Thrombocyte
- platelet
- fragments from megakaryocytic within the bone marrow
- do not contain a nucleus
Leukocytes
- WBCs
- cells with nucleus
- Neutrophils, lymphocytes , monocytes , eosinophils and basophils
Name the leukocytes in order of frequency
Neutrophils , lymphocyte ,monocyte , eosinophil, basophil
What is the most abundant Leukocyte ?
neutrophil
What is the least abundant Leukocyte?
basophil
granulocytes
(Granny BEN)
-Neutrophils, eosinophils and basophils
Neutrophils
- muli-lobed nucleus
- polymorphonuclear neutrophil , poly , PMN , Polymorph
Eosinopjils
- have prominent orange pink granules
- bi-lobed
Basophils
-large blue granules
Agranulocytes
lymphocytes and monocytes
How does t lymphocytes gain their immunocompetence ?
thymus
Plasma cells are derived from?
B-lymphocytes
What is the largest Leukocyte ?
Monocytes
