Blood and hematopoiesis (Histo) 11-14-16 Flashcards
Blood is a … tissue
connective
Blood is composed of… and …
- formed elements
2. plasma
Formed elements of the blood all arise from a … cell
hematopoietic stem
Formed elements of the blood include cells… and… and cell fragments…
- erythrocytes and leukocytes
- thrombocytes (platelets)
Erythrocytes are not…
a true cell (no nucleus)
Plasma is a protein-rich, fluid…
extracellular matrix
Relative volume of RBCs in blood is…. plasma is… and buffy coat is…
RBCs- 45%
plasma- 55%
buffy coat- 1%
The buffy coat is composed of …. and when blood is centrifuged it is… the plasma and RBC layers
- leukocytes and platelets
- between
Place RBCs, buffy coat and plasma in order of decreasing density
- RBCs (most dense)
- buffy coat
- plasma (least dense)
Plasma composition:
90%…
7-8%…
1-2%…
90% water
7-8% plasma proteins
1-2% other solutes
Polymorphonuclear granulocytes have…. and … uncle and also possess…
- specific granules
- multilobed nuclei
- azurophilic granules
3 Polymorphonuclear granulocytes are…
neutrophils
eosinophils
basophils
Mononuclear granulocytes do not have…. have… nuclei and also possess…
- do not have specific granules
- rounded nuclei
- azirophilic granules
4 examples of mononuclear granulocytes are…
- T lymphocytes
- B lymphocytes
- NK cells
- Monocytes
The monophyletic theory is that all
blood cells are derived from a common pluripotential stem cell- hematopoietic stem cell (HSC)