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Fig. 3 | Frontiers in Zoology

Fig. 3

From: Enteric neuroanatomy and smooth muscle activity in the western diamondback rattlesnake (Crotalus atrox)

Fig. 3

Original traces of organ bath experiments showing examples of the effect of different drugs in different GI regions. A Ach increased the tone, and the amplitude and frequency of spontaneous contractions in the distal stomach; B L-NAME increased the tone in the colon; C serotonin increased the tone in the proximal stomach; D dopamine increased the tone, the amplitude, and frequency of spontaneous contractions in the distal stomach; E VIP decreased the tone in the colon; F isoproterenol reduced the tone in the proximal stomach

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