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[Ultrastructure of celiac plexus nodes in the dog]
Arkhiv Anatomii, Gistologii I Embriologii
|January 1, 1984
Summary
This study details the ultrastructure of canine celiac plexus nodes, revealing complex gangliocyte morphology and predominant axodendritic synapses. These findings offer insights into the neural organization of the canine autonomic nervous system.
Area of Science:
- Veterinary Anatomy
- Neuroscience
- Cell Biology
Context:
- The celiac plexus is a crucial component of the autonomic nervous system, regulating visceral functions.
- Understanding its normal ultrastructure is essential for comparative anatomy and veterinary neurology.
Purpose:
- To provide a detailed ultrastructural analysis of normal canine celiac plexus nodes.
- To characterize the morphology of gangliocytes and associated neural fibers.
Summary:
- The study examined 12 mature dogs, detailing the ultrastructure of celiac plexus gangliocytes, noting well-developed granular cytoplasmic reticulum and Golgi complexes.
- Key organelles including mitochondria, ribosomes, lysosomes, and neurofilaments were identified within the gangliocyte perikaryon.
- Amyelinated neural fibers predominated, with dendrites exhibiting higher electron density than axons.
- Complex glyoneuronal interrelations and a prevalence of axodendritic synapses over axosomatic ones were observed.
Impact:
- Establishes a baseline for normal canine celiac plexus ultrastructure.
- Provides foundational data for future research on canine autonomic neuropathies and related conditions.
- Enhances understanding of comparative neuroanatomy in mammals.