FINDING BONE MARROW SURGEON IN KHARADI, HADAPSAR, PUNE? BEST BONE MARROW SURGEON IN KOTHRUD/ERANDWANE/VISHRANTWADI/KALYANI NAGAR/VIMAN NAGAR/KOREGAON PARK/PUNE? DR KANNAN SUBRAMANIAN IS A BORN MARROW SURGEON IN KHARADI, HADAPSAR, KOTHRUD/ERANDWANE/VISHRANTWADI/KALYANI NAGAR/VIMAN NAGAR/KOREGAON PARK/PUNE. Bone marrow is a semi-solid tissue which may be found within the spongy or cancellous portions of bones. In birds and mammals, bone marrow is the primary site of new blood cell production or hematopoiesis. It is composed of hematopoietic cells, marrow adipose tissue, and supportive stromal cells.