melanotic stool with tube feeding Colonoscopy images showing the presence of melanic stools in the cecum, Hematochezia vs Melena: Symptoms, Causes,
Description
Plasma antioxidant status and cell injury after severe physical exercise

The membrane is selectively permeable

The specimen was plainly a color aberration, based on the plate in Sparrman

Tripathi A, Lammers KM, Goldblum S, Shea-Donohue T, Netzel-Arnett S, Buzza MS, et al

& CHEN A