People who are missing parts of their intestines or have limited intestinal mobility may require total parenteral nutrition (TPN), a type of nutrition that bypasses the digestive system. The rectum is ...

Premium quality drawing pencil with unbelievably break-resistant lead! Particularly suitable for writing, drawing, sketching and hatching, as well as for professional graphic and artistic ...

Wow, check out these amazing hyperrealistic pencil drawings by Kohei Ohmori. The detail is next-level…here’s a close-up view of the drawing above: This drawing took 280 hours (~11.7 days) over a ...

and University of Limerick in Ireland had found that the sketches of digestive system drawn by the Italian generous in the 15th century were correct. “Dr. Calvin Coffey of the University of ...