An "intraperitoneal injection" is a type of medical procedure where medication or fluid is directly injected into the abdominal cavity, which is the area inside the abdomen where many important organs are located. Full definition
Furthermore, toxicity analysis carried out 9 days after the last dose of intraperitoneal injection of 2 μg / g body weight revealed little or no changes in > 98 % of the markers characterized in a complete blood count (Supplemental Fig. 7). (jpet.aspetjournals.org)
General anesthesia was induced by intraperitoneal injection of pentobarbital sodium (Sanofi, Libourne, France) just before killing by exsanguination. (academic.oup.com)
Male Balb / c mice (6 — 8 weeks) were sensitized on days 1 and 6 via intraperitoneal injection of 0.9 % sterile saline (0.5 ml) or 0.9 % saline containing 10 μg of ovalbumin and 2 mg of Al (OH) 3. (jpet.aspetjournals.org)