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

The elasmobranch spiracular organ. II. Physiological studies.

M A Barry1, R L White, M V Bennett

  • 1Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York 10461.

Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology
|May 1, 1988
PubMed
Summary

The spiracular sense organs in skates and dogfish act as sensitive joint receptors, detecting hyomandibular movements. These organs use hair cells to signal joint flexion, functioning as specialized proprioceptors.

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

Quantitative spectral assessment of intracardiac electrogram characteristics associated with post infarct fibrosis and ventricular tachycardia.

PloS one·2018
Same author

Estimation of the burden of flu-association influenza-like illness visits on total clinic visits through the sentinel influenza monitoring system in Senegal during the 2013-2015 influenza seasons.

Epidemiology and infection·2018
Same author

Variation in quality report viewing by providers and correlation with NICU quality metrics.

Journal of perinatology : official journal of the California Perinatal Association·2017
Same author

Effects of delivery room quality improvement on premature infant outcomes.

Journal of perinatology : official journal of the California Perinatal Association·2016
Same author

Ninety Seconds Could be the Optimal Duration for Ventricular Radiofrequency Ablation - Results From a Myocardial Phantom Model.

Heart, lung & circulation·2016
Same author

In vivo evidence of mitochondrial dysfunction and altered redox homeostasis in a genetic mouse model of propionic acidemia: Implications for the pathophysiology of this disorder.

Free radical biology & medicine·2016

Area of Science:

  • Marine Biology
  • Neuroscience
  • Sensory Physiology

Background:

  • Spiracular sense organs in elasmobranchs are poorly understood.
  • Their role in proprioception, particularly in relation to cranial joint movement, requires clarification.

Purpose of the Study:

  • To investigate the function of spiracular sense organs in the little skate (Raja erinacea) and smooth dogfish (Mustelus canis).
  • To determine if these organs respond to movements of the hyomandibula-cranial joint.

Main Methods:

  • Recording afferent nerve activity from isolated spiracular organs in skates and dogfish.
  • Stimulating the hyomandibula-cranial joint to observe responses in the spiracular organ nerve.
  • Single unit recordings in the little skate to characterize afferent properties.

Related Experiment Videos

Main Results:

  • Spiracular afferents are excited by hyomandibular flexion.
  • A single class of slowly adapting, regularly firing units was identified in the little skate.
  • Excitation is linked to local cupula deformation, not overall volume change.
  • The organs are insensitive to electrical stimuli, vibration, or water movement.

Conclusions:

  • The spiracular organ functions as a sensitive joint receptor, detecting hyomandibular movements.
  • This sensory input likely contributes to proprioception and motor control in elasmobranchs.