Histology Class

Hematopoiesis

Light Microscopy SLIDES: 239: progranulocyte, three mentioned characteristics of nucleus p. 166, deep blue cytoplasm because of RER with purple granules (azurophilic/lysosomes). Eosinophil precursor 7: round empty spaces of removed lipid, vascular channels with hematopoietic regions, homogenous eosinophilic strand = decalcified bony trabecula. Arterioles and sinusoids. Large magakaryocytes. 15: round empty spaces of removed lipid, vascular channels with hematopoietic regions, homogenous eosinophilic strand = decalcified bony trabecula. Arterioles and sinusoids. Large magakaryocytes. 16: round empty spaces of removed lipid, vascular channels with hematopoietic regions, homogenous eosinophilic strand = decalcified bony trabecula. Arterioles and sinusoids. Large magakaryocytes. Megakaryocytes: large in size, uniform gray/granulated cytoplasm, multinucleated Nurse Cells: difficult to see Electron Microscopy EM’s: 12a: repository for iron as seen along plasma membrane, identify normoblast (erythroblasts), see the varying degrees of condensation, identify nurse cell (macrophage), notice the profiles of the RER and Golgi, and note why they are important for this cell. 8a: later stages of erythropoietic cells – normoblasts, reticulocytes, and mature erythrocyte, portion of nurse cell, eosinophil precursor (myrlocyte) 12b: granulocytes, RER and Golgi, granules

 

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