Bone Marrow Flashcards
1
Q
Bone Marrow components
A
- Hematopoietic
2. Vascular
2
Q
Hematopoietic compartment
A
hematopoietic cells & stromal cells (supporting cells)
red marrow: erythroid & myeloid cells
yellow marrow: adipocytes
3
Q
Vascular Compartment
A
nutrient artery, vein, etc
4
Q
Location to Take Marrow Specimens
A
after adolescence: iliac crest occasionally sternum
< 2 yrs: tibia
older children: spines of lumbar vertebrae
5
Q
MLS role in Bone Marrow Procedure
A
ensures adequacy of sample
prepare BM slides with aspirate
6
Q
Myeloid to Erythroid Ratio
A
computed from the total # of myeloid cells to the total # of nucleated RBC stages
2:1-4:1
