Question

Define bone marrow with reference to haematopoesis.

Answer 1

• Bone marrow is a spongy gelatinous tissue present within some bones.
• It is mainly present within the bones of vertebrae, sternum and bones of the pelvis.
  
• It is the primary site for new blood cell production or hematopoiesis.
• It contains the stem cells, which develop into RBCs, WBCs and Platelets.