Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Air flow in snake ventilation.

B D Clark, C Gans, H I Rosenberg

    Respiration Physiology
    |February 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    This study reveals that head chambers can distort snake ventilation patterns. Actual snake breathing is biphasic, not triphasic, when measured accurately.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Ulcerative stomatitis associated with yellow bristle grass in New Zealand dairy cows.

    New Zealand veterinary journal·2024
    Same author

    MR Imaging Features of Middle Cranial Fossa Encephaloceles and Their Associations with Epilepsy.

    AJNR. American journal of neuroradiology·2020
    Same author

    Mastication in the tuatara, Sphenodon punctatus (reptilia: Rhynchocephalia): Structure and activity of the motor system.

    Journal of morphology·2018
    Same author

    Feeding postures of suspension-feeding larval black flies: the conflicting demands of drag and food acquisition.

    Oecologia·2017
    Same author

    Bone loss from high repetitive high force loading is prevented by ibuprofen treatment.

    Journal of musculoskeletal & neuronal interactions·2014
    Same author

    Usage pattern of the complex masticatory muscles in the shingleback lizard, Trachydosaurus rugosus: A model for muscle placement.

    The American journal of anatomy·2010
    Same journal

    Braking of expiratory airflow in obese pigs during wakefulness and sleep.

    Respiration physiology·2002
    Same journal

    Arousal response to hypoxia in newborn mice.

    Respiration physiology·2002
    Same journal

    The oxygen gain of diving insects.

    Respiration physiology·2002
    Same journal

    The role of endothelin-1 in strain-related susceptibility to develop hypoxic pulmonary hypertension in rats.

    Respiration physiology·2002
    Same journal

    Active glottal closure during anoxic gasping in lambs.

    Respiration physiology·2002
    Same journal

    Avian intrapulmonary chemoreceptor discharge rate is increased by anion exchange blocker 'DIDS'.

    Respiration physiology·2002
    See all related articles

    Area of Science:

    • Herpetology
    • Comparative Physiology
    • Respiratory Physiology

    Background:

    • Understanding reptilian respiration is crucial for ecological and physiological studies.
    • Previous methods for measuring snake ventilation may introduce artifacts.
    • Accurate assessment of breathing mechanics in snakes is limited.

    Purpose of the Study:

    • To accurately characterize the ventilatory patterns of resting snakes.
    • To evaluate the impact of measurement devices on respiratory dynamics.
    • To differentiate between true ventilatory phases and artifactual signals.

    Main Methods:

    • Monitoring ventilation in Boa constrictor, Python regius, and Thamnophis sirtalis using intratracheal pressure catheters, trunk strain gauges, and a flow meter.
    • Utilizing a Kopfkappe (head chamber) and assessing its influence on ventilatory patterns.

    Related Experiment Videos

  • Comparing flow meter data with intratracheal pressure and strain gauge recordings.

    • Main Results:

    • The Kopfkappe significantly alters normal snake breathing patterns, introducing measurement artifacts.
    • Flow meter data from quiescent snakes indicate a biphasic ventilation cycle (outflow-inflow-pause).
    • Intratracheal pressure and strain gauge data showed variable tri- or quadriphasic patterns, potentially influenced by measurement techniques.

    Conclusions:

    • Head chambers are unsuitable for studying normal snake ventilation due to artifact induction.
    • Snake ventilation is fundamentally biphasic, contrary to some previous assumptions.
    • Accurate respiratory monitoring in snakes requires careful consideration of measurement methodologies to avoid confounding factors.