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Keywords: blood-brain barrier
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Journal Articles
J Exp Biol (2007) 210 (22): 3970–3978.
Published: 15 November 2007
..., immunoreactive neurons were observed mostly in the medulla oblongata, including the reticular formation, glossopharyngeal-vagal motor complex, commissural nucleus of Cajal, and area postrema (AP). Trypan Blue, which binds serum albumin and does not cross the bloodbrain barrier, was injected peripherally...
Journal Articles
J Exp Biol (1990) 148 (1): 335–351.
Published: 1 January 1990
...P. K. SCHOFIELD In an abdominal ganglion of the American cockroach, Periplaneta americana , electrophysiological characteristics of the perineurium, the glial layer that forms the insect blood-brain barrier, were investigated by microelectrode recording. The potential across the barrier...
Journal Articles
J Exp Biol (1987) 127 (1): 211–227.
Published: 1 January 1987
..., the blood-brain barrier was found to be suitably efficient in restricting the influx of K + and thereby allowing normal neural activity. At an external K + concentration of 100 mmoll −1 , however, the system was unable to maintain a sufficiently low extracellular K + concentration and neuronal activity...
Journal Articles
J Exp Biol (1986) 123 (1): 423–439.
Published: 1 July 1986
...P. K. SCHOFIELD; J. E. TREHERNE Octopaminergic sensitivity of the glia that form the blood-brain barrier of the cockroach was examined using microelectrode recordings of the potential developed across this barrier layer, the perineurium. Exposure to 10 −4 moll −1 DL-octopamine had no significant...
Journal Articles
J Exp Biol (1984) 109 (1): 319–331.
Published: 1 March 1984
...P. K. SCHOFIELD; J. E. TREHERNE The perineurium was found to form the principal barrier to diffusion across the blood-brain barrier system of the cockroach, Periplaneta americana , since the resistance across this layer was much greater than that across the underlying neuroglia. An equivalent...
Journal Articles
J Exp Biol (1984) 109 (1): 333–340.
Published: 1 March 1984
...P. K. SCHOFIELD; L. S. SWALES; J. E. TREHERNE Brief exposure of central nervous connectives of the cockroach, Periplaneta americana , to 3 M-urea, a treatment known to increase the leak of cations across the blood-brain barrier system, caused a reduction in the resistance and potential difference...
Journal Articles
J Exp Biol (1984) 109 (1): 307–318.
Published: 1 March 1984
...P. K. SCHOFIELD; L. S. SWALES; J. E. TREHERNE The blood-brain barrier of the insect nervous system is thought to be formed by the neuroglia. It is associated with a positive interstitial potential relative to the bathing medium (‘sheath’ potential), and with positive changes in potential that can...