A study has been made of the effect of acetylcholine upon the heart rate of the early chick embryo, and it has been noted that under certain experimental conditions acetylcholine stimulates the heart rate during the period of vagal innervation, while depressing the heart rate after the nerve supply
Role of the acetylcholine-cholinesterase system in the spontaneous rhythmical activity of the amnion of the chick embryo
β Scribed by L. S. Bunkina
- Publisher
- Springer US
- Year
- 1964
- Tongue
- English
- Weight
- 272 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0007-4888
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
Pork ## THREE FIGURES The minion aiid allailtoistwo of the extraembryonic structures of the avian embryopossess dynamic physicochemical systems which provide arid maintain an adeqnate cnviroiixrierit for the developing embryo within tlie egg. Vital and sigiiificant physiological activities occur
## Abstract This study provides a quantitative analysis of the active movements of the chick embryo and of the contractions of the amnion over the entire developmental period of 21 days. Four types of embryo movements are distinguished. The motor activity of the embryo shows two characteristic peak