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Department of Neurobiology and Developmental Sciences - Gross Anatomy. Google Body - Google Labs. Large Intestine. The venous drainage of the gastrointestinal tract, from the lower esophagus to the upper rectum is by way of the portal venous system.

Large Intestine

This system also drains the spleen and pancreas. Clinical Consideration Portal obstruction. In cases of liver disease where the portal blood can no longer pass through the liver, the blood will try to get back to the heart any way it can and this usually involves the superior or inferior venae cavae. Human Anatomy Study Aid. Department of Neurobiology and Developmental Sciences - Lymphatics of the Thorax. Instant Anatomy - Learn human anatomy online. Pictures of the Digestive System.

[Continued from above] . . . but do not have food pass through them.

Pictures of the Digestive System

Accessory organs of the digestive system include the teeth, tongue, salivary glands, liver, gallbladder, and pancreas. To achieve the goal of providing energy and nutrients to the body, six major functions take place in the digestive system: IngestionSecretionMixing and movementDigestionAbsorptionExcretion Mouth Food begins its journey through the digestive system in the mouth, also known as the oral cavity. Human Anatomy Model, Anatomy Chart, Anatomical Chart. GetBodySmart: Interactive Tutorials and Quizzes On Human Anatomy and Physiology.

Human Anatomy Learning Modules.