Hist for Path: Hematopoetic

Question 1

What is hematopoiesis?

Answer 1

Formation and maturation of RBCs

Question 2

3 Components of bone marrow?

Answer 2

1. HSCs: younger has more HSCs
2. Adipose Tissue: more fat as you get older
3. Bony Trabeculae

Question 3

4 types of myeloid cells? Which are granulocytes?

Answer 3

Granulocytes:
1. Neutrophils
2. Eosinophils
3. Basophils 
Other:
4. Monocytes

Question 4

What are megakaryocytes?

Answer 4

Largest cell in marrow that makes platelets

Question 5

What is a band cell?

Answer 5

• Neutrophil precursor that is normally not circulating in periphery only in marrow
• Increase in times of stress / infection

Question 6

Who has bilobed nucleus?

Answer 6

Eosinophils

Question 7

What is clocked faced chromatin?

Answer 7

• Chromatic that hangs out at side of nucleus in plasma cells

Question 8

How are platelets formed?

Answer 8

Fragments of megakaryocyte cytoplasm break off to form platelets