An S-shaped tip in a descending row
A small S-shaped capillary near the center, beside taller open hairpin loops.

Image details
- Pattern
- Tortuous capillaries
- Author or contributor
- Borja Gracia Tello
- Hallmarks
- Tortuous capillariesUnequal capillary calibers
- Magnification
- 250×
- Device
- Smart G-Scope
- Field of view (W × H)
- ≈ 2.28 × 1.28 mm
Teaching point
One isolated abnormal shape may be nonspecific.
Measurements and calibration
For the subset of apices with stable automated measurements, estimated widths span approximately 12–27 µm. These are automated estimates, not manually validated measurements.
Clinical caveat
This image illustrates a visual finding and should be interpreted with acquisition quality, distribution across fingers, clinical context, and serology when relevant.
Use and licensing
Educational material. For reuse outside Capillaroscopy.com, request permission and preserve the stated attribution.

