Evidence for passage of cerebrospinal fluid among spinal nerves.
D000818:Animals; D002555:Cerebrospinal Fluid / Q000502:physiology*; D004396:Coloring Agents; D007275:Injections, Intravenous; D008867:Microtomy; D012756:Sheep; D013127:Spinal Nerves / Q000502:physiology*; D013552:Swine
D004396:Coloring Agents