On the vaso-motor nerves of the small intestine / by J.L. Bunch.

  • Bunch, John Le Mare.
Date:
1899
Catalogue details

Licence: Public Domain Mark

Credit: On the vaso-motor nerves of the small intestine / by J.L. Bunch. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

    24/34 (page 92)
    roots either higher or lower than these. In the dog, vaso-constrictor fibres to the small intestine pass out in the 4th to the 16th post- cervical nerve-roots, the greatest effect being obtained on stimulating the 10th to the 14th. Fig. 21 shows the effect in a dog of stimulating 'USj-IaJt () AJtrN~ -CjmI S a/VIA /]%v-. , , A N ! v V . /\ Sf -y—’/• V. \ l J A' vA... Jf\/vV\/v aAwaaaMvvv/^v'I L#S>-UN Fig. 21. Dog. Effect of stimulating 6th dorsal nerve-root. the 6th dorsal nerve-root. Some vaso-constrictor fibres appear also to pass out in the 2nd and 3rd post-cervical roots, but the effect is less than that obtained with the 4th. Fig. 22. Dog. Stimulation of 5th dorsal root. Coil at 10 cm. When employing a current of moderate intensity the vaso-constrictor effect was sometimes followed by dilatation (Fig. 22), and this was still