they present a carcinoid case , where it is understood that the product of secretion of the same , still not completely identified in its structure and mode of action , produces an arterial vascular alteration even at considerable distance from the tumour , hence bringing about an intestinal ischemic symptomatology which they hypothesize is the case for all the cells of the intestinal diffuse endocrine system , a type of self-regulatory feed-back hormonal system .
C0007095
carcinoid
C0014136
hormonal system