Anatomical and histological data on the ciliary ganglion in the Egyptian spiny mouse ( Acomys cahirinus Desmarest )

E Nowak; T Kuder; A Szczurkowski; J Kuchinka

Vol 63, No 3 (2004)

Original article

Submitted: 2012-02-06

Published online: 2004-06-04

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Anatomical and histological data on the ciliary ganglion in the Egyptian spiny mouse (Acomys cahirinus Desmarest)

E Nowak, T Kuder, A Szczurkowski, J Kuchinka

Folia Morphol 2004;63(3):267-272.

Vol 63, No 3 (2004)

ORIGINAL ARTICLES

Submitted: 2012-02-06

Published online: 2004-06-04

Abstract

The morphology and topography of the ciliary ganglion in the Egyptian spiny mouse were studied with use of histochemical and histological techniques. The ciliary ganglion of the Egyptian spiny mouse consisted of between 3 and 4 agglomerations of nerve cells. The largest was situated at the point where the ventral branch of the oculomotor nerve divides into two branches. The next two smaller aggregations were located on the superior and lateral surfaces of the optic nerve where it crossed the oculomotor nerve. From the main agglomerations of neurocytes arose between 3 and 4 intensively stained postganglionic cholinergic fibres. These followed the optic nerve to the eyeball. On the crosssections of these bundles small agglomerations of neurocytes were observed. These decreased in size to only 2 or 3 cells towards the sclera. The ganglionic neurocytes in the largest ganglion varied from 15 to 30 µm in diameter. They were distributed uniformly over the whole surface of the sections. All the ganglia had connective capsules.