<Li> intraosseous infusion (into the bone marrow) is, in effect, an indirect intravenous access because the bone marrow drains directly into the venous system . This route is occasionally used for drugs and fluids in emergency medicine and pediatrics when intravenous access is difficult . Recreationally the colloquial term' boning' is used . </Li> <Li> intraperitoneal, (infusion or injection into the peritoneum) e.g. peritoneal dialysis </Li> <Li> intrathecal (into the spinal canal) is most commonly used for spinal anesthesia and chemotherapy </Li> <Li> intravaginal administration, in the vagina </Li>

Which of the following is a route of fluid therapy but is not an example of a parenteral route