Morton, Edward Reginald, 1867- · New York : E.B. Treat & Co. · leaf 215
the opaque food is kept in the upper part ofthe stomach for some time, and part of it passes througha narrow channel near the lesser curvature, so that thelower sac gradually fills. At a certain stage we see themeal more or less equally divided between the upper andlower sacs with a narrow channel… … spasmodic arising from the irritable state of the ulcer;at a later stage the constriction may be organic, the resultof cicatricial contraction. See Fig. 66. As regards the constriction and also the symp-toms, the spasmodic element isjust as important as the organic.When food is observed to be…
