The best replacement for monocytes is macrophages.

The best alternatives to monocytes are rated as following:
★★★★★  macrophages
★★  lymphocytes
★  reactive lymphocytes
★  neutrophils
★  absolute monocytes
  atypical lymphocytes
  monocytes
  mononuclear cells

Your alternative for monocytes is not listed? Suggest!
Speaking about monocytes, one probably shouldn't forget about low lymphocytes.

Other search terms related to monocytes and their ratings are:
★★★★★ low lymphocytes
★★★★ normal wbc
★★ low wbc
low neutrophils
You have in mind a companion for monocytes and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of monocytes in all years. Click on graph for more.
monocytes
macrophages
lymphocytes