Answers

2015-11-22T12:42:41+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
В-Lymphocytes (B-cells):

1. They arise from bone marrow Bursa of Fabricus (in fowl), gut-associated lymphoid tissue (Peyer’s patches).

2. В-cells form humoral or antibody-mediated immune system (AMIS).

3. They defend against viruses and bacteria that enter the blood and lymph.

4. They are formed by the division plasma cells.


T-Lymphocytes (T-cells):

1. They arise from bone marrow Thymus.

2. T-cells form cell-mediated immune system (CSM).

3. They defend against pathogens including protists and fungi that enter the cells.

4. They are formed by the division of lymphoblasts of three types: killer, helper and suppressor cells.

plzzz mark as best ! :D


0