to tec about thymus,+ve and -ve selection - genius123

[ArchivalUser]

thnx for ur input guys
we can keep this thread for immuno notes
i hav added som notes from here and there
wil post anything imp comes up!

plz do add.thnx

[ArchivalUser]

constituents of cell mediated immune system:
1.macrophages
2.helper T cells
3.NK cells
4.Cytotoxiic T lymphos