||Human Homo sapiens
||Reinhart WH, Chien S. Red cell vacuoles: their size and distribution under normal conditions and after splenectomy. Am J Hematol. 1988 Apr27(4):265-71. p.267 left column top paragraph and p.269 left column bottom paragraphPubMed ID3354561
||Transmission electron microscopy
||"By TEM, [researchers] found that more than 10% of thin sections
through normal RBCs contain one or more small vacuoles
with a mean cross-sectional diameter of 130 nm, and
it is estimated that each RBC has about 20 such vacuoles."