Profile of the air movement during bullfrog respiration

David E. Hornung, Daniel B. Kurtz, Maxwell M. Mozell, James R. Ewing, Ogden G. Brandt, Steven Youngentob

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A miniature hot-wire anemometer was developed to gain a quantitative description of the normal air flow through the bullfrog's olfactory sac and thus describe the physical parameters affecting the access and egress of odorant molecules to the olfactory receptors. Individual 'face' masks were used to mount the anemometer in front of the external naris. The findings quantify the respiratory oscillations originally observed by Gans and De Jongh and so describe the air movement through the external naris. These include a twophase buccal oscillation which moves air into and out of the buccal cavity and a three-phase ventilation cycle which moves air into and out of the lungs. A direct correlation of body weight with peak flow rate and tidal volume was found for all the ventilation cycle phases. Duration of the ventilation cycle phases as well as duration, peak flow and tidal volume of the buccal phases were unaffected by body weight. The impact of the quantification of the actual physical variables of the respiratory cycle phases upon the design of future olfactory experiments is discussed.

Original languageEnglish (US)
Pages (from-to)131-138
Number of pages8
JournalChemical Senses
Volume12
Issue number1
DOIs
StatePublished - Feb 1 1987
Externally publishedYes

Fingerprint

Air Movements
Rana catesbeiana
Cheek
Respiration
Ventilation
Tidal Volume
Air
Anemometers
Cycle
Body Weight
Odorant Receptors
Masks
Oscillation
Lung
Flow Rate
Receptor
Quantification
Flow rate
Mask
Wire

All Science Journal Classification (ASJC) codes

  • Statistics, Probability and Uncertainty
  • Applied Mathematics
  • Physiology (medical)
  • Physiology
  • Behavioral Neuroscience
  • Sensory Systems

Cite this

Hornung, D. E., Kurtz, D. B., Mozell, M. M., Ewing, J. R., Brandt, O. G., & Youngentob, S. (1987). Profile of the air movement during bullfrog respiration. Chemical Senses, 12(1), 131-138. https://doi.org/10.1093/chemse/12.1.131

Profile of the air movement during bullfrog respiration. / Hornung, David E.; Kurtz, Daniel B.; Mozell, Maxwell M.; Ewing, James R.; Brandt, Ogden G.; Youngentob, Steven.

In: Chemical Senses, Vol. 12, No. 1, 01.02.1987, p. 131-138.

Research output: Contribution to journalArticle

Hornung, DE, Kurtz, DB, Mozell, MM, Ewing, JR, Brandt, OG & Youngentob, S 1987, 'Profile of the air movement during bullfrog respiration', Chemical Senses, vol. 12, no. 1, pp. 131-138. https://doi.org/10.1093/chemse/12.1.131
Hornung DE, Kurtz DB, Mozell MM, Ewing JR, Brandt OG, Youngentob S. Profile of the air movement during bullfrog respiration. Chemical Senses. 1987 Feb 1;12(1):131-138. https://doi.org/10.1093/chemse/12.1.131
Hornung, David E. ; Kurtz, Daniel B. ; Mozell, Maxwell M. ; Ewing, James R. ; Brandt, Ogden G. ; Youngentob, Steven. / Profile of the air movement during bullfrog respiration. In: Chemical Senses. 1987 ; Vol. 12, No. 1. pp. 131-138.
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