Why Hemopoiesis Occurs Outside Bone Marrow? | EMH Explained Simply in Bangla

Описание: Pathology Master Notes (Updated Regularly)

These are concept-based MBBS pathology notes built alongside my video lectures.
This is a living notes collection — new topics and updates will be added regularly.

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This video explains Extramedullary Hemopoiesis (EMH) in a clear, exam-focused way for MBBS and medical students.

What you’ll learn in this lecture:

Definition of Extramedullary Hemopoiesis (EMH)

Difference between Physiological EMH and Pathological EMH

When EMH occurs during fetal development

Why EMH occurs when bone marrow fails

Diseases associated with EMH, including:

Hemoglobinopathies (e.g. sickle cell disease)

Thalassaemia

Myeloproliferative disorders

Bone marrow infiltration

Sites of EMH:

Spleen

Liver

Lymph nodes (occasionally)

Basic concept of red blood cell and hemoglobin structure (α-chain, β-chain, heme, iron, oxygen binding)

This video is designed for:

MBBS Pathology

Hematology basics

Short notes + viva preparation

Concept clarity instead of memorisation

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