open access

Vol 62, No 1 (2003)
ORIGINAL ARTICLES
Published online: 2002-12-04
Submitted: 2012-02-06
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The examinations of thyroid gland isthmus topography in foetal period development - practical importance

Marek Syrycki
Folia Morphol 2003;62(1):57-60.

open access

Vol 62, No 1 (2003)
ORIGINAL ARTICLES
Published online: 2002-12-04
Submitted: 2012-02-06

Abstract

The studies aimed at following isthmus of thyroid position changes in particular months of its intrauterine development. Survey material consisted of 124 human foetus thyroids aged 4–7 months of intrauterine development. The basic examination method was classical anatomical preparation. Three aspects were considered in thyroid isthmus position assessment: holotopy, skeletotopy and syntopy. The gland holotopy analysis was carried out with the usage of isthmus position indices elaborated especially for the studies. The results were statistically analysed. Thyroid isthmus was observed to change its position. Although statistically significant differences in thyroid isthmus position were not proved, some tendencies of the one-position changes were detected, especially of larynx and trachea skeletons. The tendencies were based on a relatively more significant lowering of isthmus in comparison with gland lateral lobes. The basic reason for thyroid isthmus position changes in the development period is a disproportion between foetus gland and cervix growth rates.

Abstract

The studies aimed at following isthmus of thyroid position changes in particular months of its intrauterine development. Survey material consisted of 124 human foetus thyroids aged 4–7 months of intrauterine development. The basic examination method was classical anatomical preparation. Three aspects were considered in thyroid isthmus position assessment: holotopy, skeletotopy and syntopy. The gland holotopy analysis was carried out with the usage of isthmus position indices elaborated especially for the studies. The results were statistically analysed. Thyroid isthmus was observed to change its position. Although statistically significant differences in thyroid isthmus position were not proved, some tendencies of the one-position changes were detected, especially of larynx and trachea skeletons. The tendencies were based on a relatively more significant lowering of isthmus in comparison with gland lateral lobes. The basic reason for thyroid isthmus position changes in the development period is a disproportion between foetus gland and cervix growth rates.
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Keywords

morphometry; anatomy; thyroid; holotopy; skeletotopy; syntopy

About this article
Title

The examinations of thyroid gland isthmus topography in foetal period development - practical importance

Journal

Folia Morphologica

Issue

Vol 62, No 1 (2003)

Pages

57-60

Published online

2002-12-04

Bibliographic record

Folia Morphol 2003;62(1):57-60.

Keywords

morphometry
anatomy
thyroid
holotopy
skeletotopy
syntopy

Authors

Marek Syrycki

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