Chinese Journal of Physiology

BASAL SECRETION OF THE STOMACH 45

TABLE 1.

Percentage frequency of acid secretion and its range under basal conditions in various gastric preparations

| T | ta. a

Secretory rates (mg HCl

Mean basal

| Mean active a | No. of daily Pere) °8 | observation | - | _ le. | HCl HCl | 0-1 | 1-5 | 9-10 | 10-20} 20+ | mg per hr. | mg per hr, 1 1 (1) Fistula-pouch | | 3842 | 6 | 67 19 iG 7 0 2.6 40.1 365 8 | 88 | 50 | 12 0 0 2.2 29,8 392 | 4 eno 2 | 2 | 73 0 | 140 86.8 573 5 20 | 380 | 40 10 0 | 5.5 | 19.4 | | | —— — | — —— $$. Mean 81 25 Ai 23 * | ___si85- 700 | (2) Pavlov-pouch l | | 5 dogs 45] p40 | 8 | 10 | 6) 8) — | _— 42-23 7 _ _ (3) Reversed-Pavlov pouch : — — a 512 | 6 66 16 15 0 0 2.4 68,0 519 9 72 5 5. 13 5 3.0 | 30.6 530 5 30 40 10 20 0 5.0 36,1 559 11 68 0) 9 0 0 1.5 Wels 599 13 31 53 16 0 0 2.2 16.2 | =e te —— EEE a Mean | 47 | 34 | 11 7 1 * 538475 a (4) Heidenhain-pouch 114 42 55 45 0 0 0 == 626 22 82 18 0 0 0 0.7 9.7 686 15 67 ao 0 0 0 1.0 11.1 726 13 85 15 0 0 0 0.5 5,2 Mean 72 28 * G83 4.9) (4) Auto transplanted-pouch 568 122 8 | 15 | 0 0] 0 0.5 3.9 626 40 53 30 = 10. 4 0 2.4 17.3 686 4) 99 6 0 0 0 | 0.3 15.3 726 64 ; 86 | 11 | 3 0 0) 0,8 6.0 Mean 80 | 16 8 1 * 8242.4 | |

*The figures in italics in column (0-1) give the percentage with the mean error

of each group regard less of individual frequencies.