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Parenteral Injections

John Donovan1,  Patricia Brown2

1Wyeth Research, Collegeville, Pennsylvania
2National Institutes of Health, Bethesda, Maryland


Unit Number: 
Unit 1.6
DOI: 
10.1002/0471142735.im0106s73
Online Posting Date: 
July, 2006
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Abstract

This unit describes the techniques for the following routes of injection for mice, rats, hamsters and rabbits: intramuscular, intradermal, subcutaneous, intravenous, intraperitoneal, footpad, and intrathymic. Guidelines are also given regarding injection volumes and temperatures, and the use of proper restraints.

     
 
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Table of Contents

  • Section II: Use of Mouse, Rat, Hamster, and Rabbit
  • Unit Introduction
  • Basic Protocol 1: Intramuscular Injection of Mouse, Rat, Hamster, and Rabbit
  • Basic Protocol 2: Intradermal Injection of Mouse, Rat, Hamster, and Rabbit
  • Basic Protocol 3: Subcutaneous Injection of Mouse, Rat, Hamster, and Rabbit
  • Basic Protocol 4: Intravenous Injection of the Mouse
  • Basic Protocol 5: Intravenous Injection of the Rat
  • Basic Protocol 6: Intravenous Injection of the Hamster
  • Basic Protocol 7: Intravenous Injection of the Rabbit
  • Basic Protocol 8: Intraperitoneal Injection of Mouse, Rat, Hamster, and Rabbit
  • Basic Protocol 9: Footpad Injection of the Mouse
  • Basic Protocol 10: Intrathymic Injection of the Mouse
  • Bibliography
  • Figures
  • Tables
     
 
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Materials

Basic Protocol 1: Intramuscular Injection of Mouse, Rat, Hamster, and Rabbit

 Materials
  • Injectate
  • 1- to 3-ml syringe with 22- to 30-G needle

Basic Protocol 2: Intradermal Injection of Mouse, Rat, Hamster, and Rabbit

 Materials
  • 70% ethanol
  • Injectate
  • Clippers with #40 blade
  • Gauze sponge or swab
  • 1- to 3-ml syringe with 25- to 30-G needle
  • Additional reagents and equipment for handling and restraint (unit 1.3) and anesthesia (unit 1.4)

Basic Protocol 3: Subcutaneous Injection of Mouse, Rat, Hamster, and Rabbit

 Materials
  • Injectate
  • 1- to 3-ml syringe with 22- to 30-G needle

Basic Protocol 4: Intravenous Injection of the Mouse

 Materials
  • Injectate
  • 70% ethanol
  • 1-ml syringe with 25- to 30-G needle
  • Restrainer (unit 1.3)
  • Heat lamp or beaker containing warm water
  • Gauze sponge or swab

Basic Protocol 5: Intravenous Injection of the Rat

 Materials
  • Injectate
  • 1-ml syringe with 25- to 30-G needle
  • Additional reagents and equipment for anesthesia (unit 1.4)

Basic Protocol 6: Intravenous Injection of the Hamster

 Materials
  • 70% ethanol
  • Injectate
  • Clippers with #40 blade
  • Gauze sponge or swab
  • 1-ml syringe with 25- to 30-G needle
  • Additional reagents and equipment for anesthesia (unit 1.4)

Basic Protocol 7: Intravenous Injection of the Rabbit

 Materials
  • 70% ethanol
  • Injectate
  • Restrainer (unit 1.3)
  • Gauze sponge or swab
  • 1- or 3-ml syringe with 25- to 30-G butterfly infusion set

Basic Protocol 8: Intraperitoneal Injection of Mouse, Rat, Hamster, and Rabbit

 Materials
  • Injectate
  • 1- or 3-ml syringe with 22- to 25-G needle (mouse, rat, and hamster) or 18- to 23-G, 1-in. needle (rabbit)

Basic Protocol 9: Footpad Injection of the Mouse

 Materials
  • Injectate
  • 1-ml syringe with 25-G needle

Basic Protocol 10: Intrathymic Injection of the Mouse

 Materials
  • 70% ethanol
  • Injectate
  • Surgical board
  • Gauze sponge or swab
  • Scalpel handle (#3) and scalpel blade (#15)
  • Thumb forceps
  • Iris scissors, straight
  • 1-ml syringe with 28- to 30-G needle
  • Wound clips or 4-0 suture material with needle
  • Additional reagents and equipment for anesthesia (unit 1.4)
     
 
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Figures

  • Figure 1.6.1
    Intramuscular injection of the mouse.

  • Figure 1.6.2
    Intramuscular injection of the rabbit.

  • Figure 1.6.3
    Subcutaneous injection of the mouse.

  • Figure 1.6.4
    Intravenous injection of the mouse in the tail vein.

  • Figure 1.6.5
    Intravenous injection of the rat in the dorsal penile vein.

  • Figure 1.6.6
    Intravenous injection of the hamster in the anterior cephalic vein.

  • Figure 1.6.7
    Intravenous injection of the rabbit. With the rabbit in a restrainer, apply pressure over the vein at the base of the ear and introduce the needle of the infusion set into the engorged marginal ear vein.

  • Figure 1.6.8
    Intraperitoneal injection of the mouse.

  • Figure 1.6.9
    Intrathymic injection of the mouse.

Literature Cited

 Literature Cited
    Tuffery, A.A. 1987. Laboratory Animals: An Introduction for New Experimenters, pp. 225-226. John Wiley & Sons, Chichester, England.
    Waynforth, H.B. 1980. Experimental and Surgical Technique in the Rat, p. 39. Academic Press, Orlando, Fla.
 Key References
    Fox, J.G., Anderson, L.C., Loew, F.M., and Quimby, F.W. (eds.). 2002. Laboratory Animal Medicine, 2nd ed. Academic Press, Orlando, Fla.

Provides additional details for injection methods.

    Goldschneider, I., Komschlies, K.L., and Greiner, D.L. 1986. Studies of thymocytes in rats and mice. J. Exp. Med. 163:1-17.

Provides detailed description of the intrathymic injection technique.

     
 
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