Serum blood collection tubes with separator gel are widely used by many laboratories for chemistry analyses. We describe a case of a primary blood collection tube filled with blood sample and a floating separator gel. The blood sample was collected from a 51 years old female in intensive care unit with the diagnosis of pneumonia into a BD Vacutainer SST tube (Becton Dickinson, NJ, USA)...
Small intestine: The part of the digestive tract that extends from the stomach to the large intestine.
What is a small bowel obstruction? A small bowel obstruction is a blockage anywhere inside your small intestine. The small intestine starts at the end of the stomach and ends where the small and large intestine (also called the colon) connect. A blockage may stop all food, gas, or fluids from passing through or just make it harder to pass through and into the large intestine.