Trigeminal reflex regulation of the glottis depends on central glycinergic inhibition in the rat.

@article{Dutschmann2002TrigeminalRR,
  title={Trigeminal reflex regulation of the glottis depends on central glycinergic inhibition in the rat.},
  author={Mathias Dutschmann and Julian Paton},
  journal={American journal of physiology. Regulatory, integrative and comparative physiology},
  year={2002},
  volume={282 4},
  pages={R999-R1005}
}
In an unanesthetized decerebrate in situ arterially perfused brain stem preparation of mature rat, strychnine (0.05-0.2 microM) blockade of glycine receptors caused postinspiratory glottal constriction to occur earlier, shifting from early expiration to inspiration. This resulted in a paradoxical inspiratory-related narrowing of the upper airway. Stimulation of the trigeminal ethmoidal nerve (EN5; 20 Hz, 100 micros, 0.5-2 V) evoked a diving response, which included a reflex apnea, glottal… CONTINUE READING