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(136.9), KCl (2.7), CaCl2 (1.0), NaHCO3 (11.9), NaH2PO4 (0.4),
and glucose (5.6), areated with 95% O2 and 5% CO2.Mechani-
cal activity was recorded along the longitudinal axis. After an
equilibration time of 15–20 min the tissues were challenged
with Senktide, purchased from American Peptide Company,
USA (2 µg/100 mL organ bath) for 20 min. Tissues were then
thoroughly washed with fresh Tyrod’s solution which was re-
newed every 5 min. After addition of the tested compounds
(40 µg/100 mL organ bath), the tissues were rechallenged
with senktide (2 µg/100 mL organ bath) after 20 min inocula-
tion and the responses are recorded inTable 1 and illustrated in
Chart 2 compared to the control (senktide, 100% contraction).
The reported values are the average of 5 determinations
standard error (SE).
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