Which type of cell is characterized by a nucleus dominating the cell, with only a thin rim of light blue cytoplasm visible?

Lymphocytes are a type of white blood cell that play a pivotal role in the immune response. They are characterized by their large, round nucleus that occupies most of the cell's volume, leaving only a thin rim of cytoplasm surrounding it. This distinct morphology allows for easy identification under a microscope. The light blue color of the cytoplasm is typical of lymphocytes, reflecting their high nucleus-to-cytoplasm ratio.

In contrast, neutrophils have a more complex structure, featuring a multi-lobed nucleus and granular cytoplasm, which gives them a different appearance. Monocytes, while also having a large nucleus, typically have a more irregular shape and a greater amount of cytoplasm than lymphocytes. Eosinophils are recognizable by their bi-lobed nuclei and their bright red granules in the cytoplasm, which differentiate them from the lymphocyte's structure. This understanding of cell structures is essential in hematology for identifying different cell types during blood analysis.