Skip to content

All About Blood

…. Of blood and diseases of blood

Search
  • Home
    • Pathogenesis of Disease
  • Diseases
    • Lymphoma
      • Nodular Lymphocytic Predominant Hodgkin’s Lymphoma
    • Haematological Emergencies
      • Superior Vana Caval Syndrome
      • Overwhelming Post-Splenectomy Infection
  • Manifestation of Disease
    • Evaluating Anaemia
    • Types of Bleeding
    • Clinical Features of Megaloblastic Anaemia
    • Clinical Features of Antiphospholipid Syndromes
  • Laboratory Tests
    • ESR
    • Haemogram
      • Lymphocytosis in Adults
      • Platelet Counts and Platelet Indices
    • Laboratory Evaluation of Coagulation
      • Activated Partial Thromboplastin Time
      • Bleeding Time
      • Mixing Studies
      • Prothrombin Time
    • Reticulocyte Count
  • Cases And Atlas
    • Haematology Atlas
      • Haematopathology
      • Radiology
      • Clinical Manifestations
    • Cases
      • Anaemia
        • Severe Microcytic Anaemia
        • Anaemia with Thrombocytosis
        • Anaemia with Hyperbilirubinaemia
      • Platelet and Coagulation
        • Thrombocytopenia Due to Large Platelets

Category: Haematopoiesis

Erythropoiesis…

Regulation of Haematopoiesis

23 Mar 2019
All blood cells arise from the haemaopoietic stem cell. The path along which the stem cell progeny matures is dictated by the needs of the body. Examples of this include…
Erythropoiesis…

Etiology of Polycythaemia

13 Jul 201313 Jul 2013
The terms polycythemia and erythrocytosis though used interchangeably describe different entities. Polycythemia (Gk, polys + kytos, cell, haima, blood) is an absolute increase in the mass of red cells. Erythrocytosis refers to only increase in the concentration…
Erythropoiesis…

The Haemopoietic Stem Cell

17 May 201323 Mar 2019
The red blood cell count is about 4.5 X1012 red blood, The white blood cell count between between 4-10 X109/L and platelet count is 150-400X109/L. The red blood cells have…
Diagnosis…

Myelocyte and Neutrophils – Band and Segmented

18 Mar 201318 Mar 2013
The image about shows morphology of cells of the neutrophilic series. The first cell to show commitment to a particular granulcoytic series (eosinophilic, basophilic or eosinophilic) is the promyelocyte. The…
Megakaryopoiesis…

Iron Studies in Microcytic Anaemia

8 Mar 20138 Mar 2013
Diagnosis Serum Iron Total Iron Binding Capacity Transferrin1 Serum Ferritin2 Iron deficiency anaemis Low High or Normal <16% <12ng/mL Anaemia of Chronic Disease Normal Low or Normal ≥16% High or…
Bone Marrow Examination…

Normoblast Maturation

7 Mar 20138 Mar 2013
The image above shows three polychromatophilic normoblasts. The one on the left is the least mature and the one on the right the most mature. Maturation is associated with Decrease…
Anemia…

Laboratory diagnosis of Iron Deficiency

7 Mar 20134 Feb 2014
The investigation to diagnose iron deficiency include: Haemoglobin and red cell parameters Bone marrow iron staining Serum Iron, total iron binding capacity and transferrin saturation Serum ferritin Zinc Protoporphyrin Soluble…
Bone Marrow Examination…

Orthochromatophilic Normoblast

7 Mar 20137 Mar 2013
Orthochromatophilic normoblast An orthochromatophilic normoblast is the most mature of nut;elated red cell precursors. The cytoplasm has lost almost all it's basophilia and is the same colour as that of…
Erythropoiesis…

Embryonic Haemoglobins

24 Oct 20127 Jun 2016
Embryonic haemglobins are haemoglobins produced in the yolk sac stage of erythropoiesis. There are three embryonic haemoglobins Gower I, Gower II and Portland. Embryonic haemoglobins like their adult counterparts are…
Bone Marrow Examination…

Megaloblasts

25 Jul 20123 Jan 2015
Development of erythrocytes involves coordinated changes in the nucleus and the cytoplasm of erythroid processors (see Morphology of Erythroid Precursors) . The proerythroblast is a large cell with a fine…

Posts navigation

Older posts

Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Join 11,440 other followers

Blog Stats

  • 788,026 hits

Recent Posts

  • Manifestations of Disease – MCQ – 1
  • MCQ – Haemoglobinopathy
  • Photo Quiz – 1
  • MCQ – Microcytic Anaemia
  • Regulation of Haematopoiesis

Top Posts & Pages

  • Megakaryocyte Morphology
  • Morphology of Myeloid Precurssors
  • Contents
  • The ABO (ABH) Blood Group System
  • Haematology Atlas
  • Osteoclast Morphology
  • Large Granular Lymphocyte
  • Microcytic Hypochromic Anaemia
  • Multiple Myeloma - Plasma Cells
  • Lymphocytosis in Adults
  • Home
  • Diseases
  • Manifestation of Disease
  • Laboratory Tests
  • Cases And Atlas
Create a free website or blog at WordPress.com.
Privacy & Cookies: This site uses cookies. By continuing to use this website, you agree to their use.
To find out more, including how to control cookies, see here: Cookie Policy
  • Follow Following
    • All About Blood
    • Join 11,440 other followers
    • Already have a WordPress.com account? Log in now.
    • All About Blood
    • Customize
    • Follow Following
    • Sign up
    • Log in
    • Report this content
    • View site in Reader
    • Manage subscriptions
    • Collapse this bar
 

Loading Comments...