Experimental study to localize the neurons projecting to the lamb retractor penis muscle.

Autor: Botti M; Dept. of Animal Health, University of Parma, Parma, Italy. maddalena.botti@unipr.it, Gazza F, Ragionieri L, Bo Minelli L, Panu R
Jazyk: angličtina
Zdroj: Italian journal of anatomy and embryology = Archivio italiano di anatomia ed embriologia [Ital J Anat Embryol] 2009 Oct-Dec; Vol. 114 (4), pp. 157-66.
Abstrakt: Aim of the present study was to locate the neurons projecting to the lamb retractor penis muscle, a smooth muscle associated to the penis. The retrograde neuronal tracer Fast Blue was injected into the bulbopenile portion of the left retractor penis muscle. Labelled cells were found bilaterally in the S2-S4 spinal ganglia, from the last two lumbar (L5-L6 or L6-L7) to S4 sympathetic trunk ganglia and in the hypogastric and pelvic plexuses. Fast blue-positive (FB+) neurons were also found in the intermediate gray substance in the S1-S4 segments of the spinal cord. Our research enables us to describe the organization of the innervation of the lamb retractor penis muscle, highlighting the site of the primary afferent, postganglionic efferent and presumably preganglionic parasympathetic neurons projecting to the muscle.
Databáze: MEDLINE