mid cell

English

Alternative forms

• MID cell, mid-cell

Etymology

mid (“middle”) +‎ cell, named after the fact that the cell appears as part of the middle peak of three peaks usually seen in a white blood cell histogram organized by cell volume and analyzed in three parts.

Noun

mid cell (plural mid cells)

1. (hematology, chiefly in the plural) A white blood cell, such as a monocyte or blast cell, with around 100 femtoliters in volume, greater than most lymphocytes and less than most granulocytes.

Synonyms

• MID

Coordinate terms

• lymphocyte
• granulocyte

References

• Mary Ann Dotson (1992) “Multiparameter Hematology Instruments”, in E. Anne Stiene-Martin, Cheryl A. Lotspeich-Steininger, John A. Koepke, editors, Clinical Hematology: Principles, Procedures, Correlations‎^[1], second edition, Lippincott-Raven Publishers, published 1998, →ISBN, page 527:

  [Figure 42-6B] WBC Histogram / Lymphocytes / Mononuclear cells / Granulocytes [Figure 42-6C] LYM: 1.4 R2 24.4% / *MID: 0.5 R2 8.3% / GRAN: 3.9 R4 67.3% / * MID cells include less frequently occurring and rare cells correlating to monocytes, eosinophils, basophils, blasts, and other precursor white cells.

• “Hematology Tests”, in Learning Guide: Hematology‎^[2], Abbott [Laboratories], 2023, page 45: “Less sophisticated hematology analyzers provide WBC sub-populations as 3-part WBC differentials reporting a percentage and absolute value for lymphocyte, mid-cells, and granulocyte populations.”
• DP Lokwani (2013) “Histograms”, in The ABC of CBC: Interpretation of Complete Blood Count and Histograms‎^[3], Jaypee Brothers Medical Publishers, →ISBN, page 117: “The peak that lies between T1 [between 78 and 114 fL] and T2 [< 150 fL] represents the mid cell count which includes the eosinophils, basophils, monocytes, blasts, and promyelocytes. Volume of the cell ranges from 90 to 160 fL.”