Epithelial Cells in the Urine Sediment
Urinalysis and Body
Fluids Review 499
CELL DESCRIPTION ORIGIN CLINICAL SIGNIFICANCE COMMENTS
Squamous epithelial cell
Transitional epithelial cell
↑numbers usually seen in
urine from females. May
obscure RBCs & WBCs.
Reduced by collecting
midstream clean-catch
specimen.
May form syncytia (clumps)
40–50 μm. Flat.
Prominent round
nucleus.
20–30μm. Spherical,
pear-shaped, or
polyhedral. Round
central nucleus.
Lower urethra,
vagina
Renal pelvis,
ureters, bladder,
upper urethra
Usually none
Seldom significant
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