macrophage in the brain is
Answer is option 4 Microglia are considered the resident macrophages of the brain given that they are the only myeloid cells present in the CNS parenchyma. Microglia perform both homeostatic and immune-related functions and constitute about 5-20% of all cells in the CNS. Ref of img :
Schwann cells
Oligodendrocytes
Astrocytes
Microglia
Breast