A 50 years old pt is suffering from chronic cough, wt.loss and low grade fever is admitted with probable diagnosis of TB. Immunity to tb infection is primarily made by?
- CD4 + T cell
- CD8+ T cell
- Macrophages
- Neutrophils
- B cells
Collenchyma constitute the hypodermis in.
(A)Monocot root
(B)Dicot Stem
©Dicot root
(D)Monocot Stem