1. Body Cavities
What’s in there??

2. Body Cavities:
Spaces within the body which contain vital organs

3. Dorsal (Posterior) Cavity:
One long, continuous cavity that is located on the back of the body, divided into two sections
Cranial Cavity = contains the brain
Vertebral/Spinal Cavity = contains the spinal cord

4. Ventral (Anterior) Cavities:
Thoracic Cavity = located in the chest
contains the heart in pericardial cavity, lungs in pleural cavities, mediastinum - the region between lungs from sternum to backbone that contains heart esophagus, trachea, etc.

5. Ventral (Anterior) Cavities:
2a. Abdominal Cavity = upper abdominal cavity; contains the stomach, liver, small intestine, most of large intestine
- also contains spleen
& gallbladder
2b. Pelvic Cavity = lower abdominal cavity; contains urinary bladder, large intestine, rectum, male/female reproductive organs

6. Abdominopelvic Cavity: 9 Regions
Epigastric
Umbilical
Hypogastric
Hypochondriac (right & left)
Lumbar (right & left)
Inguinal (right & left)

7. Abdominopelvic Cavity: 9 Regions

8. Epigastric Region Superior to umbilical region
Contains stomach, liver (and some of large intestine)

9. Umbilical Region Center-most region, around the navel
Contains small intestine, large intestine (and some of the stomach)

10. Hypogastric Region Inferior to umbilical region
Contains small intestine, rectum, urinary bladder, reproductive organs, (and some of large intestine)

11. Right & Left Lumbar Regions
Lateral to umbilical region
Contain part of small and large intestines

12. Left Inguinal Region Lateral (left) to hypogastric region
Contains part of small and large intestines

13. Right Inguinal Region Lateral (right) to hypogastric region
Contains appendix, part of small and large intestines

14. Right & Left Hypochondriac Regions
Right Hypochondriac contains liver (and part of stomach)
Left Hypochondriac contains spleen (and part of stomach)

17. Abdominopelvic Cavity: 9 Regions