[Cholinergic enzymes in the ciliary ganglia of the chicken and pigeon]

Aurora Del Fa' Gangitano, Carlo Gangitano, C. Olivieri Sangiacomo

Risultato della ricerca: Contributo in rivistaArticolo in rivista


In the present paper we have comparatively analyzed acetylcholinesterase (AChE) and cholinacetyltransferase (ChAT) activity in chick and pigeon ciliary ganglion. AChE specific activity in the pigeon ciliary ganglion is remarkably higher than the one occurring in the chick; conversely the ChAT specific activity is similar in the chick as well as in the pigeon. Higher AChE activity found in the pigeon ciliary ganglion can be partially attributed to a selective accumulation of the enzyme in already described membrane-limited formations typical of the choroid neurons. After post-ganglionic axotomy such formations undergo a progressive disappearance which parallels the decrease of AChE activity. The present data suggest the hypothesis that the structures under investigation as well as ganglionic AChE are possibly controlled through a retrograde mechanism by their target organ.
Titolo tradotto del contributo[Autom. eng. transl.] [Cholinergic enzymes in the ciliary ganglia of the chicken and pigeon]
Lingua originaleItalian
pagine (da-a)1000-1004
Numero di pagine5
Stato di pubblicazionePubblicato - 1983


  • Acetylcholinesterase
  • Animals
  • Chickens
  • Choline O-Acetyltransferase
  • Columbidae
  • Ganglia, Parasympathetic
  • Tissue Distribution

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