The Intermesenteric Plexus in the Pigeon (Columba livia GM)
Using the thiocholine method and histological techniques the intermesenteric plexus of the pigeon was studied. The intermesenteric plexus of this species is a plexo-ganglionic structure with several (five to seven) ganglia and nerve fibres. The ganglia have an oval-, spindle- or star-like shape. Single nerve cells along the nerve fibres were observed. The intermesenteric plexus of the pigeon is situated on the ventrolateral surface of the aorta, between the cranial mesenteric artery and caudal mesenteric artery. The connections between the intermesenteric and other vegetative plexuses (coeliac plexus, mesenteric inferior plexus) and the pelvic nerve were observed.
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Document Type: Research Article
Affiliations: Department of Comparative Anatomy, Institute of Biology, Pedagogical University, 25-406 Kielce, 15 Konopnickiej St., Poland
Publication date: April 1, 2001