Morphological features of neurons innervating different viscera in the cat stellate ganglion in postnatal ontogenesis

Retrograde axonal transport of horseradish peroxidase (HRP) was used in this study to determine morphological parameters in the stellate ganglion (SG) in newborn, 10-, 20-day- and 1-month-old kittens. Neurons with the largest average size participated in innervation of the heart in newborn kittens a...

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Bibliographic Details
Published in:Autonomic neuroscience 2000-11, Vol.84 (3), p.169-175
Main Authors: Masliukov, Petr M, Pankov, Vladimir A, Strelkov, Andrey A, Masliukova, Elena A, Shilkin, Valentin V, Nozdrachev, Alexandr D
Format: Article
Language:English
Subjects:
Animals
Animals, Newborn
Animals, Suckling
Axonal Transport
Axons - ultrastructure
Cats
Cell Count
Cell Size
Esophagus - growth & development
Esophagus - innervation
Female
Heart - growth & development
Heart - innervation
Horseradish Peroxidase
Male
Morphogenesis
Muscle Development
Muscle, Skeletal - growth & development
Muscle, Skeletal - innervation
Neuron location
Neurons - ultrastructure
Organ Specificity
Postnatal ontogenesis
Stellate ganglion
Stellate Ganglion - anatomy & histology
Stellate Ganglion - growth & development
Sympathetic ganglia
Sympathetic nervous system
Trachea - growth & development
Trachea - innervation
Viscera - growth & development
Viscera - innervation
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Summary:Retrograde axonal transport of horseradish peroxidase (HRP) was used in this study to determine morphological parameters in the stellate ganglion (SG) in newborn, 10-, 20-day- and 1-month-old kittens. Neurons with the largest average size participated in innervation of the heart in newborn kittens and in innervation of the sternocleidomastoid muscle in other animals. The number of neurons sending their axons to target-organs also changed in postnatal ontogenesis. Regardless of the site of HRP injection at animals of all ages labeled neurons in the SG were located in certain zones on a topographical basis. Thus, it is concluded that in postnatal ontogenesis the neuronal organization of the SG changes in parallel to the increase of neuronal sizes and ganglion cross section area and practically finishes at 1 month of age.
ISSN:1566-0702
1872-7484
DOI:10.1016/S1566-0702(00)00208-3