These results confirmed the occurrence of two biofluorescent compounds (or the same compound in two different chemical forms) in distinct areas of the skin corresponding to the darkly pigmented areas versus light beige regions when observed in bright field. The presence of patches of fluorescence ...
The five known fluorescent elasmobranch species belong to three distantly related families, Urotrygonidae (American round stingrays), Orectolobidae (wobbegongs), and Scyliorhinidae (catsharks), indicating that biofluorescence has evolved at least three times in elasmobranchs (Fig. 13). For bony ...
which is visible when the CT scan comprises only the angled needle. It has been reported that the “low density” artifact visible immediately adjacent to the distal part of the tip of the needle may create a false positive impression; therefore, the correct position of the needle must be de...