Summary
The direction and velocity of motion of the cerebrospinal fluid in the spinal subarachnoid space was studied in experiments on cats under urethane anesthesia with the aid of radioactive phosphorus (P32). The latter was introduced into the spinal subarachnoid space at the level of the 6th thoracic vertebra. The activity of cerebrospinal fluid was investigated at definite intervals in the suboccipital and lumbar cisterns and it was revealed that it moved in a candal direction with the velocity of 0.3 mm per min.
Diffusion plays a significant part in distribution of radioactive substances in the spinal subarachnoid space.
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Vasilevskii, N.N. Direction and linear velocity of flow of cerebrospinal fluid in the spinal subarachnoid space. Bull Exp Biol Med 45, 6–11 (1958). https://doi.org/10.1007/BF00785965
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DOI: https://doi.org/10.1007/BF00785965