Broad folded apices along the upper row
Broad capillaries with hooked and folded apices, mixed with narrower open hairpin loops.

Image details
- Pattern
- Tortuous capillaries
- Author or contributor
- Borja Gracia Tello
- Hallmarks
- Tortuous capillariesCapillary dilation
- Magnification
- 250×
- Device
- Smart G-Scope
- Field of view (W × H)
- ≈ 2.31 × 1.30 mm
Teaching point
Distinguish mild dilations from homogeneous and repeated giant capillaries.
Measurements and calibration
For the subset of apices with stable automated measurements, estimated widths span approximately 21–45 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
Third-party image. Refer to the credits and any image-specific terms of use.
- Creator
- Borja Gracia Tello
Suggested attribution
Broad folded apices along the upper row — Borja Gracia Tello, via Capillaroscopy.com. CC BY 4.0. Source: https://capillaroscopy.com/en/library/gracia-tello-tortuous-035/ Licence: https://creativecommons.org/licenses/by/4.0/
If you modify the image, describe your changes and retain any existing modification notices. This licence does not imply endorsement or clear other rights.
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