Sperm

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The page below is a sample from the LabCE course The Urine Microscopic: Microscopic Analysis of Urine Sediment. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

Learn more about The Urine Microscopic: Microscopic Analysis of Urine Sediment (online CE course)
Sperm

Sperm may be present in urine sediment. Sperm have a characteristic oval body with a long thin tail and are 50 microns in length. The black arrows are pointing to just two of the few sperm in this microscopic field in the top image.
The bottom image uses phase-contrast, the oval body of the sperm appears bright whereas the tail is dark.

Sperm Viewed with Phase-Contrast Microscopy.