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Inhalation

Glossary Index

Intravenous

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Definition

Intraperitoneal means within or administered through the peritoneum. The peritoneum is a thin, transparent membrane that lines the walls of the abdominal (peritoneal) cavity and contains/encloses the abdominal organs such as the stomach and intestines.

Intraperitoneal is often abbreviated I.P. or IP. The RTECS abbreviation is ipr.

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On a Safety Data Sheet, this term usually refers to the injection of a substance into the abdomen of a test animal to determine the LD₅₀ toxicity value which is found in Section 11 (toxicological information). It may also be used to refer to the abdominal cavity in general or be used in instructions for emergency medical workers.

Further Reading

• Intraperitoneal (IP) Injection in Rats and Mice Standard Operating Procedure (SOP) at the U of British Columbia.
• Intraperitoneal Injection in the Mouse with a video and accompanying training materials at Procedures With Care.
• Intraperitoneal at AnatomyTool.org.
• The Peritoneum at TeachMeAnatomy.info.
• Peritoneal Cavity - Part 1 - Anatomy Tutorial, an 8+ minute video lecture on YouTube.
• Intraperitoneal Chemotherapy at Memorial Sloan Kettering Cancer Center.

See also: intravenous, LC₅₀, mus (mouse).

Additional definitions from Google and OneLook.

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