Body CavitiesWhat’s in there??

Body Cavities:

Spaces within the body which contain vital organs

Dorsal (Posterior) Cavity:1. Cranial Cavity contains the brain

2. Vertebral/Spinal Cavity = contains the spinal cord

Ventral (Anterior) Cavities:1. Thoracic Cavity heart in pericardial cavity, lungs in pleural cavities, mediastinum - region

between lungs from sternum to backbone contains esophagus, trachea, etc.

Ventral (Anterior) Cavities:2a. Abdominal Cavity stomach, liver, small intestine,

most of large intestine- also contains spleen & gallbladder

2b. Pelvic Cavity urinary bladder, large intestine,

rectum, male/female reproductive organs

• Epigastric• Umbilical• Hypogastric• Hypochondriac (right & left)• Lumbar (right & left)• Inguinal (right & left)

Abdominopelvic Cavity: 9 Regions

Abdominopelvic Cavity: 9 Regions

Epigastric Region

• Contains stomach, liver (and some of large

intestine)

Umbilical Region

• Contains small intestine, large intestine (and some

of the stomach)

Hypogastric Region

• Contains small intestine, rectum, urinary bladder, reproductive organs, (and some of large

intestine)

Right & Left Lumbar Regions

• Contains part of small and

large intestines

Left Inguinal Region

• Contains part of small and large intestines

Right Inguinal Region

• Contains appendix, part of small and large intestines

Right & Left Hypochondriac Regions• Right Hypochondriac

contains liver (and part of stomach)

• Left Hypochondriac contains spleen (and part of stomach)