Long-term cranial mesenteric vein cannulation in the rat.
A polyethylene-tipped silicone rubber catheter was placed in the cranial mesenteric vein of rats. Injections were made and blood withdrawn an average of seven times for each animal. Seventeen of 20 (85%) catheters remained patent for 3 weeks.
D000818:Animals; D001800:Blood Specimen Collection / Q000662:veterinary; D002404:Catheterization / Q000295:instrumentation / Q000662:veterinary*; D005260:Female; D007275:Injections, Intravenous; D008642:Mesenteric Veins; D051381:Rats / Q000601:surgery*