Neonatal thymectomy leads to:: (A) Decreased size of germinal center, (B) Decreased size of paracoical areas, (C) Increased antibody production, (D) Increased bone marrow production of Lymphocytes
Answer is B. Tissue Thymus dependent(collection of T-lymphocytes)Thymus-independent Bursa dependent (collection of B-lymphocytes)Spleen Periaerial lymphoid collectionMalpighian corpuscle in white pulpPerifollicular regionGerminal centreMantle layerLymph nodeParacoical area between follicles in coex and medullary cords in medullaCoical folliclesGerminal centresMedullary cordsThymus-dependent regions are found grossly depleted in neonatal thymectomy (ref: Ananthanarayanan 7/e p119)