What are erythrocytes with a diameter of 9-12 microns called?

Erythrocytes, or red blood cells, that measure between 9 to 12 microns in diameter are referred to as normocytes. This range is considered the typical size for healthy red blood cells. Normocytes are indicative of normal erythrocyte size and function within the bloodstream.

In conditions where red blood cell size deviates from this normal range, specific terms are used to describe the changes. For instance, microcytes refer to smaller-than-normal red blood cells, while macrocytes refer to larger ones. Hypochromic cells indicate a reduction in hemoglobin content, leading to paler red blood cells but do not specifically describe the size-related characteristics of erythrocytes.

Understanding these definitions is crucial in hematology, as it aids in the diagnosis and assessment of various blood disorders based on cell morphology and size.