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Nerve cells and synapses in the human foetal hypogastric nerves

100%

Bruska M.

Folia Morphologica

2005

tom 64

nr 3

199-211

The hypogastric nerves of a human foetus of 220 mm C-R length (23rd week) were investigated with an electron microscope. These nerves were composed mainly of bundles of unmyelinated fibres and single myelinated fibres. Small ganglia and single ganglion cells were observed in the hypogastric nerves. Light and dark cells were found among the nerve cells. The two types of cell differed in the number of ribosomes and the amount rough endoplasmic reticulum. In the period of development investigated protosynapses and mature synapses were observed in the hypogastric nerves.

Development of the myelin sheath of the hypogastric nerves in a human foetus aged 23 weeks

86%

Bruska M., Piotrowski A.

Folia Morphologica

2004

tom 63

nr 3

The formation of the myelin sheath of the human hypogastric nerves was studied by electron microscopy in a foetus of 23 weeks of postovulatory age (220 mm C-R length). In the investigated foetus the hypogastric nerves were mainly composed of bundles of unmyelinated fibres. The myelinated fibres were seen to be at different stages of myelination. Well myelinated fibres had thick compact laminated myelin. The number of myelin lamellae on a single fibre was 22.

Ograniczanie wyników

2 Folia Morphologica

2 Bruska M.

1 Piotrowski A.

1 2005

1 2004

Wyniki wyszukiwania

Nerve cells and synapses in the human foetal hypogastric nerves

Development of the myelin sheath of the hypogastric nerves in a human foetus aged 23 weeks