BONE MARROW PRIMARY LYMPHOID ORGAN | LYMPHATIC ORGAN :BONE MARROW AS A PRIMARY LYMPHOID ORGAN.
Channel: All about life
Date: 2020-08-28

This video is all about lymphatic organ :bone marrow  ,primary lymphoid  organ
Lymphoid ORGAN- The organ concerned  with the production of immune cell and immune reaction are called lymphoid organ
2 Types-
×Primary Lymphoid organs
×Secondary Lymphoid organs
PRIMARY LYMPHOID ORGAN- BONE MARROW,  THYMUS 
SECONDARY LYMPHOID ORGANS-LYMPH NODE, SPLEEN,  TONSILS
Bone marrow is soft gelatinous tissue that fills the medulla cavities, the centre of bones.
Two types of bone marrow  are red bone marrow known as myeloid tissue and yellow bone marrow or fatty tissues
Bone marrow serves active functions  in the body by producing  all three types of blood cells, as well as lymphocytes which support  the immune  system 
BONE MARROW TRANSPLANT-  It is a medical procedure that replaces  unhealthy blood forming cells with healthy ones. BLOOD forming cells are also called blood  stem cells.
 blood stem cells  are immature cell that can grow into red blood cell ,white blood cell and platelets.
We need bone marrow transplant  when a person 's marrow  isn't healthy  enough to function properly this could be due to certain chronic infections ,disease or cancer treatments .Some reasons for a bone marrow  transplant  include -
A plastic anaemia-  Which is a disorder  in which marrow stom producing blood cells .
Cancer cells affects the marrow  such as leukemia 
Sickle cell anemia- Which is an inherited blood disorder that causes misshapen  red blood cells 
Thallesemia- Which is an inherited  blood disorder where the body makes abnormal form of haemoglobin ,an integral part of red blood cells 



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