Repetitive and simultaneous sampling from the air cell and blood vessels in the chick embryo.
A catheterization procedure is described for repeated and simultaneous removal of gas samples from the air cell and of blood from the allantoic vein and artery of the developing chick embryo. The partial pressures of O2 and CO2 determined using this method do not differ from those obtained by conventional methods.
D000136:Acid-Base Equilibrium; D000482:Allantois / Q000032:analysis* / Q000098:blood supply; D000818:Animals; D002245:Carbon Dioxide / Q000097:blood; D002404:Catheterization / Q000379:methods; D002642:Chick Embryo / Q000032:analysis*; D005321:Extraembryonic Membranes / Q000032:analysis*; D007700:Kinetics; D010100:Oxygen / Q000097:blood; D010313:Partial Pressure
D002245:Carbon Dioxide; D010100:Oxygen