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Related Concept Videos

Pancreatic Juice and Secretion01:26

Pancreatic Juice and Secretion

Pancreatic juice is a clear fluid produced by the pancreas, containing water, salts, sodium bicarbonate, and enzymes vital for digestion in the small intestine. It helps break down large molecules, facilitating nutrient absorption.
When acidic chyme from the stomach enters the duodenum, it triggers the release of secretin, a hormone that prompts pancreatic juice secretion. After a fatty meal, cholecystokinin, another hormone, stimulates gallbladder contraction and enhances enzyme-rich...
Accessory Organs01:31

Accessory Organs

Accessory organs are those that participate in the digestion of food but do not come into direct contact with it like the mouth, stomach, or intestine do. Accessory organs secrete enzymes into the digestive tract to facilitate the breakdown of food.
Pancreas01:19

Pancreas

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 and...
Acute Pancreatitis I: Introduction01:25

Acute Pancreatitis I: Introduction

Acute pancreatitis is the sudden inflammation of the pancreas caused by the early activation of digestive enzymes, leading to the autodigestion of pancreatic tissue. This results in local inflammation and, in severe cases, systemic complications.EtiologyUnderstanding the underlying causes is crucial, as identifying the etiology guides treatment and anticipates complications. Acute pancreatitis can be triggered by various factors, typically grouped into the following clinical categories.Biliary...
Acute Pancreatitis I: Introduction01:27

Acute Pancreatitis I: Introduction

Pancreatitis is inflammation of the pancreas, an organ located behind the stomach. It can be either acute or chronic.
Acute pancreatitis is characterized by rapid inflammation of the pancreas, often caused by factors like gallstone blockage or excessive alcohol consumption. Chronic pancreatitis, on the other hand, is a slow, progressive inflammation that may result from long-term alcohol abuse, obstructions in the pancreatic duct, or genetic factors.
The causes of acute pancreatitis include:
Cells and Secretions of the Pancreas01:16

Cells and Secretions of the Pancreas

The pancreas, a vital organ within the abdominal cavity, plays dual roles in the digestive and endocrine systems, collaborating with exocrine and endocrine cells to maintain optimal digestion and blood sugar levels.
Exocrine function is carried out by acinar cells, organized into clusters known as acini. These cells contribute to digestion by releasing substantial quantities of enzyme-rich, alkaline digestive juices.
Concurrently, the dispersed clusters of endocrine cells throughout the...

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Related Experiment Video

Updated: Jul 17, 2026

Pancreatic Tissue Dissection to Isolate Viable Single Cells
08:04

Pancreatic Tissue Dissection to Isolate Viable Single Cells

Published on: May 26, 2023

Human pancreatic digestive enzymes.

David C Whitcomb1, Mark E Lowe

  • 1Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. whitcomb@dom.pitt.edu

Digestive Diseases and Sciences
|January 6, 2007
PubMed
Summary

This study reviews human pancreatic digestive enzymes, updating knowledge on proteases, lipases, and amylases. It critically examines older animal-based assumptions using new genomic technologies.

Area of Science:

  • Gastroenterology and Digestive Physiology

Background:

  • The pancreas produces essential digestive enzymes for nutrient hydrolysis in the small intestine.
  • Previous understanding heavily relied on animal models, potentially limiting human-specific insights.

Purpose of the Study:

  • To critically review and update the understanding of human pancreatic digestive enzymes.
  • To focus on novel insights into human proteases, lipases, and amylases.
  • To leverage advancements in genomic technologies for a human-centric perspective.

Main Methods:

  • Review of existing literature and older reports.
  • Critical analysis of animal study assumptions.
  • Integration of new technologies and human genome sequence data.

Main Results:

More Related Videos

Assessing the Secretory Capacity of Pancreatic Acinar Cells
09:52

Assessing the Secretory Capacity of Pancreatic Acinar Cells

Published on: August 28, 2014

Related Experiment Videos

Last Updated: Jul 17, 2026

Pancreatic Tissue Dissection to Isolate Viable Single Cells
08:04

Pancreatic Tissue Dissection to Isolate Viable Single Cells

Published on: May 26, 2023

Assessing the Secretory Capacity of Pancreatic Acinar Cells
09:52

Assessing the Secretory Capacity of Pancreatic Acinar Cells

Published on: August 28, 2014

  • Identification of updated biological insights into human pancreatic proteases.
  • Clarification of human pancreatic lipase functions.
  • New perspectives on human pancreatic amylase activity.

Conclusions:

  • Human pancreatic enzyme biology requires a distinct understanding beyond animal models.
  • Advancements in technology facilitate a more accurate view of human digestive enzyme function.
  • This review provides a contemporary overview of key human pancreatic enzymes.