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Generation, Maintenance, and Characterization of Human Pluripotent Stem Cell-derived Intestinal and Colonic Organoids
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Development of the descending colon during the human foetal period

Bohdan Gworys1, Zygmunt Domagała, Krystyna Markocka-Maczka

  • 1Departament of Normal Anatomy, Medical University, Wrocław, Poland.

Folia Morphologica
|July 3, 2004
PubMed

Insights

Fetal descending colon development begins earlier in females. Its growth slows longitudinally but widens significantly, with earlier ascent and shape changes observed in females compared to males.

Area of Science:

  • Embryology
  • Developmental Biology
  • Human Anatomy

Background:

  • The descending colon undergoes significant anatomical changes during fetal development.
  • Understanding these changes is crucial for diagnosing congenital abnormalities.

Purpose of the Study:

  • To analyze the growth, shape, topography, and peritoneal relationships of the fetal descending colon.
  • To identify sex-based differences in these developmental processes.

Main Methods:

  • Examination of 178 human fetuses (male and female) aged 72 to 236 days.
  • Statistical analysis of morphological and positional data.

Main Results:

  • Female fetuses show an approximately one-month earlier onset of descending colon growth compared to males.
  • Longitudinal growth slows in the 7th-8th months, while width increases sharply near term.
  • The descending colon's ascent over the left kidney and adrenal gland occurs earlier in females and is linked to shape changes (straight to wavy).
  • A shift from intraperitoneal to extraperitoneal positioning is observed, with mesentery changes noted.

Conclusions:

  • Fetal descending colon development exhibits distinct sex-specific timing and morphological progression.
  • These findings provide a normative dataset for understanding typical fetal gastrointestinal development.

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