Difference between revisions of "Haematopoiesis"
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*[http://commons.wikimedia.org/wiki/File:Extramedullary_haematopoiesis_-_endometrial_polyp_-_high_mag.jpg Extramedullary haematopoiesis - sort-of - high mag. (WC)] - shows nucleated [[RBC]]s. | *[http://commons.wikimedia.org/wiki/File:Extramedullary_haematopoiesis_-_endometrial_polyp_-_high_mag.jpg Extramedullary haematopoiesis - sort-of - high mag. (WC)] - shows nucleated [[RBC]]s. | ||
*[http://www.ouhsc.edu/histology/Glass%20slides/75_16.jpg Megakaryocyte (ouhsc.edu)].<ref>URL: [http://www.ouhsc.edu/histology/Text%20Sections/Hematopoiesis.html http://www.ouhsc.edu/histology/Text%20Sections/Hematopoiesis.html]. Accessed on: 22 November 2010.</ref> | *[http://www.ouhsc.edu/histology/Glass%20slides/75_16.jpg Megakaryocyte (ouhsc.edu)].<ref>URL: [http://www.ouhsc.edu/histology/Text%20Sections/Hematopoiesis.html http://www.ouhsc.edu/histology/Text%20Sections/Hematopoiesis.html]. Accessed on: 22 November 2010.</ref> | ||
==Extramedullary haematopoiesis== | |||
*Abbreviated ''EMH''. | |||
===General=== | |||
*In adults it is a compensatory mechanism for [[bone marrow]] dysfunction. | |||
Locations:<ref>URL: [http://path.upmc.edu/cases/case283/dx.html http://path.upmc.edu/cases/case283/dx.html]. Accessed on: 14 January 2012.</ref> | |||
*[[Liver]]. | |||
*[[Spleen]]. | |||
*[[Lymph node]]s. | |||
===Microscopic=== | |||
Features: | |||
*Erythroid cells - esp. nucleated red blood cells. | |||
*Myeloid - granulocytes and granulocyte precursors. | |||
*Megakaryocytes - Large cells (50-100 μm) with abundant cytoplasm. | |||
**Make platelets. | |||
Images: | |||
*[[WC]]: | |||
**[http://commons.wikimedia.org/wiki/File:Nucleated_red_blood_cells_-_endometrial_polyp_-_high_mag.jpg Nucleated RBC - high mag. (WC)]. | |||
*www: | |||
**[http://path.upmc.edu/cases/case283.html EMH - several images (upmc.edu)]. | |||
==See also== | ==See also== | ||
Revision as of 18:46, 14 January 2012
Haematopoiesis making blood.
One should see three cell lines:[1]
- Erythroid (red blood cells).
- Myeloid (white blood cells).
- Megakaryocytic (platelets).
Images:
- Extramedullary haematopoiesis - sort-of - high mag. (WC) - shows nucleated RBCs.
- Megakaryocyte (ouhsc.edu).[2]
Extramedullary haematopoiesis
- Abbreviated EMH.
General
- In adults it is a compensatory mechanism for bone marrow dysfunction.
Locations:[3]
Microscopic
Features:
- Erythroid cells - esp. nucleated red blood cells.
- Myeloid - granulocytes and granulocyte precursors.
- Megakaryocytes - Large cells (50-100 μm) with abundant cytoplasm.
- Make platelets.
Images:
See also
References
- ↑ URL: http://emedicine.medscape.com/article/199003-overview. Accessed on: 22 November 2010.
- ↑ URL: http://www.ouhsc.edu/histology/Text%20Sections/Hematopoiesis.html. Accessed on: 22 November 2010.
- ↑ URL: http://path.upmc.edu/cases/case283/dx.html. Accessed on: 14 January 2012.