Lect 1 (part 2) Flashcards
What type of cell is this?
Basophil granulocytes
Size and life span of basophil granulocytes
- size (diameter) : 10-14 μm
- life span: 3-10 days
Basophil granulocytes have large granules stained with basic dyes contain____ (3)
heparin, histamine, slow reacting substance (SRS)
5 functions of basophil granulocytes
- inflammatory reactions (allergic symptoms)
- prevention of blood clotting too quickly (heparin, SRS)
- vasodilatation (histamine)
- release of vasoactive agents
- receptor for IgE
What type of cell is this?
Basophil granulocytes
Name of these cells
Lymphocytes
Name of this cell
Large granular lymphocte
Identify
1/ T lymphocyte
2/ B lymphocyte
3/ Plasma cell
Function of T lymphocyte
cell mediated immunity
2 functions of B lymphocyte
humoral immune response, Ig production (differentiate into plasma cell)
Function of Natural killer (1-3%)
killing infected or tumor cells by causing them to lyse (perforin)
T LYMPHOCYTE
-> What are the Sites of Development, maturation and activation?
bone marrow, thymus, lymphatic organs (T dependent area)
B LYMPHOCYTE
-> What are the Sites of Development, maturation and activation?
bone marrow, lymphatic organs (B dependent area)
Activation of lymphocytes
Identify
B lymphocyte
Identify
Plasma cell
Plasma cell is a derivative of ___
B lymphocytes
Formation of blood cells (hemopoiesis)
-> 3 phases of Intrauterine – fetal hemopoiesis?
- First or prehepatic phase – blood islands in the wall of yolk sac
- Second or hepatosplenothymic phase – move to liver and lymphatic tissues
- Third or medullolymphatic phase – bone marrow and lymphatic tissues
Formation of blood cells (hemopoiesis)
-> Adult hemopoiesis
-> What happen during Myelopoiesis - bone marrow?
- Erythropoiesis
- Granulocytopoiesis
- Monocytopoiesis
- Thrombocytopoiesis
Formation of blood cells (hemopoiesis)
-> Adult hemopoiesis
-> Sites of Lymphopoiesis?
bone marrow, lymphatic tissues
9 locations of Location of red bone marrow
- Carticular cartilage
- spongy bone
- compact bone
4. medullary/marrow canal - yellow bone marrow
- periosteum
- proximal epiphysis of long bones (femur, humerus)
- diaphysis
- distal epiphysis
There is a conversion of ___ to ___ marrow
Red to yellow