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Related Concept Videos

Pancreas01:19

Pancreas

3.3K
The pancreas, an essential organ in the human body, is a pinkish-gray elongated structure located posterior to the stomach. It extends laterally from the duodenum towards the spleen and is firmly bound to the posterior wall of the abdominal cavity. The organ's surface has a lumpy, lobular texture that gives it a unique appearance.
The broad head of the pancreas lies within the loop formed by the duodenum, while its slender body reaches towards the spleen. The tail of the pancreas is short...
3.3K

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Dissection of the Mouse Pancreas for Histological Analysis and Metabolic Profiling
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Structural similarities and differences between the human and the mouse pancreas.

Jurij Dolenšek1, Marjan Slak Rupnik, Andraž Stožer

  • 1a Institute of Physiology; Faculty of Medicine; University of Maribor ; Maribor , Slovenia.

Islets
|June 2, 2015
PubMed
Summary

Mice are crucial for pancreas research, but significant structural differences exist between mouse and human pancreases. Understanding these variations is vital for accurate research extrapolation and clinical applications.

Keywords:
anatomyendocrineexocrinehuman pancreasinnervationislet of Langerhansmouse pancreasstructurevasculature

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Area of Science:

  • Comparative anatomy
  • Pancreatology
  • Animal models in research

Background:

  • Mice are the predominant animal model for pancreas research.
  • Research findings are often extrapolated from mice to humans.
  • Understanding species-specific differences is critical for translational research.

Purpose of the Study:

  • To provide a detailed review of human and mouse pancreas structures.
  • To highlight similarities and differences between the two species.
  • To discuss the implications for basic research and clinical applications.

Main Methods:

  • Comparative anatomical review of pancreas structure.
  • Analysis of exocrine tissue (acinar and ductal) organization.
  • Examination of endocrine islet (islets of Langerhans) distribution and composition.
  • Review of vascular and neural structures.

Main Results:

  • Identified significant differences in pancreas size and macroscopic organization.
  • Detailed less evident distinctions in exocrine tissue architecture.
  • Highlighted variations in endocrine islet distribution, composition, and architecture.
  • Noted differences in arterial, venous, lymphatic, and neural systems.

Conclusions:

  • Despite similarities, substantial structural differences exist between human and mouse pancreases.
  • These differences have potential repercussions for basic research validity.
  • Awareness of these disparities is essential for accurate clinical application of mouse model findings.