Clinical Manifestation, Histopathology, and Imaging of Traumatic Injuries Caused by Brazilian Porcupine (Sphiggurus villosus) Quills

Figure 5

Scanning Electron Microscopy (JEOL JSM-6610LV) of the Brazilian porcupine spine; (a) distal tip enlarged 30x with fish scale appearance; (b-c) the spine enlarged 100x and 200x, respectively, showing liftable barbs covered with tissue debris; (d) in particular, lifted barbs enlarged 450x with tissue debris; (e) 1000x, red blood cell also observed on the surface of the spine (arrow); (f) 30x, the proximal end, which is attached in the porcupine, is covered by a hood and presents a curved shape.

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