Organic acid movement out of the central canal.
D000143:Acids / Q000378:metabolism*; D000618:Aminohippuric Acids / Q000378:metabolism*; D000818:Animals; D001692:Biological Transport; D002415:Cats; D004805:Ependyma / Q000502:physiology*; D007444:Inulin / Q000378:metabolism*; D010477:Perfusion; D010636:Phenols / Q000378:metabolism*; D013115:Spinal Canal
D000143:Acids; D000618:Aminohippuric Acids; D010636:Phenols; D007444:Inulin