Which of the Following are Phagocytic Cells Descended from Monocytes

Question

Which of the following are phagocytic cells descended from monocytes?
A) alveolar macrophages
B) dendritic cells
C) microglial cells
D) alveolar macrophages and dendritic cells
E) alveolar macrophages and microglial cells

Accepted Answer

Alveolar macrophages and microglial cells are both types of phagocytic cells that originate from monocytes. Alveolar macrophages are found in the lung alveoli and play a crucial role in clearing inhaled particles and pathogens, while microglial cells are the primary immune cells of the central nervous system, responsible for defending against infections and removing damaged neurons and plaques. Dendritic cells also originate from monocytes but are primarily involved in antigen presentation rather than phagocytosis.