Related Experiment Videos
Chemical-induced changes in hepatic vascular innervation
Zeitschrift Fur Mikroskopisch-Anatomische Forschung
|January 1, 1983
Summary
Chemicals causing liver injury alter liver innervation and neuro-vascular units. The study in rats reveals adaptive changes in nerve terminals and blood flow during liver damage and regeneration.
Area of Science:
- Hepatology
- Neuroscience
- Toxicology
Background:
- Liver injury impacts neural elements within liver vasculature.
- Understanding neuro-vascular unit adaptation is crucial for regeneration processes.
Purpose of the Study:
- To investigate chemical-induced liver injury effects on neural elements of liver vessels.
- To explore neuro-vascular unit adaptation during liver damage and regeneration.
Main Methods:
- Studied acute and long-term poisoning effects of hepatotoxic agents in rats.
- Examined alterations in monoaminergic nerve terminals, vesicles, mast cells, and blood flow.
- Assessed hepatic innervation changes in different liver regions.
Main Results:
- Acute intoxication decreased nerve terminals and vesicles, increased mast cells, without axonal degeneration.
- Long-term alcohol exposure caused liver hyperinnervation and reduced blood flow, with blunted noradrenaline response.
- Carbon tetrachloride poisoning induced non-uniform hepatic innervation changes.
Conclusions:
- Experimentally induced liver damage alters the organ's regulatory control mechanisms.
- Compensatory reinnervation can lead to altered responses to neurotransmitters.