Which blood component is characterized by the presence of CD1a, a marker involved in the presentation of lipid antigens to T-cells?

A Dendritic cells
B Langerhans cells ✓
C Monocytes
D Neutrophils

Explanation

Langerhans cells are a type of dendritic cell that expresses CD1a and is involved in the presentation of lipid antigens to T-cells.

Source

Abbas' Cellular and Molecular Immunology
Hematology Hematology: Blood Components Hematology: Blood Components Hard MEDICAL Confidence: high