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Related Experiment Video

Updated: Jun 28, 2026

Three-Dimensional Morphogenesis in Canine Gut-on-a-Chip Using Intestinal Organoids Derived from Inflammatory Bowel Disease Patients
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Non-rotated midgut in a dog.

E J Kirk1, A W Nutman, S L Murray

  • 1Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Private Bag, Palmerston North, New Zealand. e.j.kirk@massey.ac.nz

Anatomia, Histologia, Embryologia
|November 6, 2008
PubMed
Summary

A Labrador

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Area of Science:

  • Veterinary Anatomy
  • Developmental Biology

Background:

  • Congenital anomalies in domestic animals can impact health.
  • Understanding embryonic development is crucial for identifying anatomical variations.

Observation:

  • Macroscopic examination of a Labrador bitch's preserved abdomen.
  • Detailed photographic documentation of abdominal organs.

Findings:

  • The duodenum and colon were not found to loop around the jejuno-ileal mesentery.
  • Despite potential for looping, organs were of sufficient length.
  • Abdominal organs and body appeared otherwise normal.

Implications:

  • The observed condition is likely due to embryonic midgut non-rotation.
  • This anatomical variation had no apparent adverse health effects on the animal.
  • Provides insight into normal canine abdominal anatomy and developmental variations.

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