[Blood supply of the greater omentum in sheep and goats]

The course and shape of the arteries and veins which - as side branches of the A. and V. gastroepiploica and the A. and V. epiploica - supply the greater omentum of sheep and goat were demonstrated by means of the india ink method and by stained membrane preparations. The terminal vascular bed shows the principle of the s.c. bridgeformation, consisting of a preferential channel and parallel connected capillaries, which are encircled with precapillary sphincters. The capillaries comprise a continuous endothelium. There are capillary convolutes - sometimes furnished with a fenestrated endothelium - which are parts of the milky spots. Other capillary convolutes not belonging to the milky spots contain a nonfenestrated endothelium.