Mr 10 Departure Betwixt Principal Lymphoid Organs Together With Secondary Lymphoid Organs
Primary Lymphoid Organs ( Example : Thymus, Bone marrow, Bursa of Fabricius) 1. The lymphoid stalk cells proliferate, differentiate together with mature 2. Contain either B cells or Tcells 3. Antigen cannot enter in 4.They atrophy alongside age Secondary Lymphoid Organs ( Example: Spleen, Lymph nodes, Peyers patches, Tonsils) 1. The lymphoid cells overstep away functional 2. Contain both T together with B cells. 3. Antigen enters inwards together with stimulates the lymphoid cells 4. They increase inwards size alongside age