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The first appearance of sympathetic ganglia in human embryos at stage 13

100%

Wozniak W., Grzymislawska M., Lupicka J.

Folia Morphologica

2009

tom 68

nr 4

215-217

The primordia of the sympathetic trunk ganglia were traced on serial sections of 10 embryos at stage 13 (32 postovulatory days). It was found that in all embryos, these primordia were present in the thoracic level T4 to T9 and they appeared as scattered aggregates of cells lying dorsally and laterally to the dorsal aortae. (Folia Morphol 2009; 68, 4: 215–217)

Schwann units in the human foetal phrenic nerve

84%

Bruska M., Piotrowski A., Wozniak W.

Folia Morphologica

2005

tom 64

nr 4

253-268

In three human foetuses aged 15, 17, and 23 weeks the number of axons surrounded by single Schwann cells was counted. These Schwann cell/axon complexes form the Schwann units. The largest Schwann units in the foetus aged 15 weeks contained 232 axons, in the foetus of 17 weeks the number was 140 and in the foetus of 23 weeks the largest units contained 65 axons.

Ultrastructural study on axonal and dendritic growth cones in the human embryonic spinal cord

84%

Wozniak W., Bruska M.

Folia Histochemica et Cytobiologica. Supplement

1996

tom 34

nr 1

Evidence that the caudal portion of the neural tube develops by cavitation of a neural cord in the caudal eminence of human embryos

67%

Pytel A., Bruska M., Wozniak W.

Folia Morphologica

2007

tom 66

nr 2

The formation of the secondary neural tube was traced in serial sections of human embryos of developmental stages 13 to 17 (32–41 days after fertilisation). It was found that the secondary neural tube formation begins with cavitation of the neural cord. The minute cavities are seen in embryos at stages 13 and 15. At stages 16 and 17 the numerous cavities coalesce to form a single central canal.

Ograniczanie wyników

3 Folia Morphologica

1 Folia Histochemica et Cytobiologica. Supplement

4 Wozniak W.

3 Bruska M.

1 Grzymislawska M.

1 Lupicka J.

1 Piotrowski A.

1 Pytel A.

1 2009

1 2007

1 2005

1 1996

Wyniki wyszukiwania

The first appearance of sympathetic ganglia in human embryos at stage 13

Schwann units in the human foetal phrenic nerve

Ultrastructural study on axonal and dendritic growth cones in the human embryonic spinal cord

Evidence that the caudal portion of the neural tube develops by cavitation of a neural cord in the caudal eminence of human embryos