Fundamentals of Anatomy and Physiology

406 Chapter 16

LABORATORY

The Digestive System continued

EXERCISE:

1998

Wadsworth, Perry, W. James and Morton David by Physiology and Anatomy for Atlas Photo From Morton. David Dr. of Courtesy

Figure 16- 18 The organs of the thoracic and abdominal cavities of the fetal pig.

The liver is the largest organ in the abdo-men.

Lift up the right lobe of the liver to observe

the green pear-shaped gallbladder, which

stores bile. Note the bile duct, which leads

from the gallbladder to the duodenum of the

small intestine. Push the liver aside and

identify the stomach, which lies on the left

side of the liver. Note its J shape. Note

the point at the anterior end of the stom-ach

where the esophagus penetrates the

diaphragm to join the stomach. The pos-terior

end of the stomach narrows to join the

anterior end of the small intestine, the

duodenum. The constriction at the junction

between the stomach and the duodenum is the

pylorus. While in this area observe the