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Vol 58, No 4 (1999)
ORIGINAL ARTICLES
Published online: 2000-08-01
Submitted: 2012-02-06
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Development of the trochlear nerve in the human embryos

Szyszka-Mróz J
Folia Morphol 1999;58(4):307-313.
Vol 58, No 4 (1999)
ORIGINAL ARTICLES
Published online: 2000-08-01
Submitted: 2012-02-06

Abstract

Investigations were made on serial sections of human embryos at developmental stages from 13 to 23 (32-56 postovulatory days). The trochlear nucleus appears in the posterior region of the basal plate of the midbrain at stage l3. It is composed of large neurons, the processes of which are sharply defined. Since stage l5 the trochlear fibers can be followed through the alar region to their decussation in the mid-dorsal part of the midbrain. The trochlear nerve emerges from the dorsal surface of the lowest part of the midbrain.

Abstract

Investigations were made on serial sections of human embryos at developmental stages from 13 to 23 (32-56 postovulatory days). The trochlear nucleus appears in the posterior region of the basal plate of the midbrain at stage l3. It is composed of large neurons, the processes of which are sharply defined. Since stage l5 the trochlear fibers can be followed through the alar region to their decussation in the mid-dorsal part of the midbrain. The trochlear nerve emerges from the dorsal surface of the lowest part of the midbrain.
Get Citation

Keywords

Human neuroembryology; Embryonic period; Cranial nerves; Trochlear nerve

About this article
Title

Development of the trochlear nerve in the human embryos

Journal

Folia Morphologica

Issue

Vol 58, No 4 (1999)

Pages

307-313

Published online

2000-08-01

Bibliographic record

Folia Morphol 1999;58(4):307-313.

Keywords

Human neuroembryology
Embryonic period
Cranial nerves
Trochlear nerve

Authors

Szyszka-Mróz J

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