. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. 90 In view of the recent observations of Laguesse, "Weichselbaum and Kyrle, and Bensley, of a continuit}' of the duct with island tissue, I was on the lookout for a possible confirmation of this in the adult human pancreas. Although janus green does not stain the ducts specifically, I hoped to find some indication of continuity if it existed. In the adult pancreases examined by this method such continuity has been observed once, (subject Xo. 7). In several other teased preparations from these subjects indications of cont
. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. 90 In view of the recent observations of Laguesse, "Weichselbaum and Kyrle, and Bensley, of a continuit}' of the duct with island tissue, I was on the lookout for a possible confirmation of this in the adult human pancreas. Although janus green does not stain the ducts specifically, I hoped to find some indication of continuity if it existed. In the adult pancreases examined by this method such continuity has been observed once, (subject Xo. 7). In several other teased preparations from these subjects indications of continuity were seen, but these w^ere not definite enough to be beyond doubt. Thus in No. 6 some of the smaller ducts were also slightly stained and here and there relatively small islands were observed in apposi- tion or in apparent connection with the duct or its branches. Fig. 2, which is drawn from a hasty free-hand sketch, well illustrates the continuity in question. The staining in the ducts was considerably. Fig. 2. Ductules in continuity with two islets, b and c. No definite con- nection was observed between islands a and the duct with which it is in close relation. The small ductules retained a faint island stain after janus green. The remainder of the duct remained practically unstained. The drawing was made from a free-hand sketch of a preparation from subject 7 magnified 78 diameters. fainter than in the islands. The fact, however, that these particular small ductules stained in a measure similar to the island cells, when added to the observation of a continuity betw^een island and duct tissue would suggest a probable interrelation between them, as has been shown by Bensley to be the case in the guinea pig. Regarding the distribution of the islets within even a relatively small area or in neighboring lobules the greatest variation is to be observed here, in conformity with he results of Laguesse, Opie, Heiberg and Bensley. A given lobule may be fairly studded with islan
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