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Related Experiment Videos

Control of circulation in insects

T A Miller1

  • 1Department of Entomology, University of California, Riverside 92521, USA.

General Pharmacology
|July 1, 1997
PubMed
Summary

Insect nervous systems control circulation and respiration. Research suggests a sophisticated autonomic nervous system coordinates these functions, though specific neurotransmitters remain unidentified.

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Area of Science:

  • Insect physiology
  • Comparative physiology
  • Neurobiology

Background:

  • Insect circulation is influenced by the central nervous system.
  • Neurohormonal control of insect heartbeat is known but not fully understood.
  • No specific neurotransmitters have been identified in insect circulatory structures.

Purpose of the Study:

  • To investigate the nervous control of insect circulation and respiration.
  • To explore the potential role of an autonomic nervous system in insects.
  • To understand the coordination between circulatory and respiratory systems.

Main Methods:

  • Review of existing studies on insect physiology and neurobiology.
  • Comparative analysis of circulatory systems in various insect species (cockroach, locust, fly, moth, bee).
  • Identification and description of the coelopulse system.

Main Results:

  • The insect central nervous system exerts significant nervous control over dorsal vessels and diaphragms.
  • A coelopulse system indicates sophisticated coordination between insect circulation and respiration.
  • Diverse specializations exist across different insect circulatory systems.

Conclusions:

  • An autonomic nervous system is proposed to be present in insects.
  • This proposed system likely coordinates insect circulation and respiration.
  • Further research is needed to identify specific neurotransmitters involved in insect circulatory control.

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