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Body Planes
Body Planes, Sections, and Cavities
| Question | Answer |
|---|---|
| sagittal section | cut along the lengthwise plane of the body. cut into left and right |
| midsagittal section | cut directly down the median into left and right parts. |
| frontal section | cut that divides the body into anterior and posterior parts |
| transverse or cross section | cut dividing the body into superior and inferior parts |
| dorsal body cavity | made up by the cranial cavity and the spinal cavity |
| cranial cavity | space inside the bony skull (the brain) |
| spinal cavity | extends from the cranial cavity to the end of the spinal cord |
| ventral body cavity | contains all the structures within the chest and abdomen, divided into the thoracic cavity, diaphragm, abdominopelvic cavity |
| thoracic cavity | lungs, heart, rib cage, sternum |
| diaphragm | dome-shaped muscle separating the thoracic and abdominal cavities |
| mediastinum | separates the lungs into right and left cavities in the thoracic cavity |
| abdominopelvic cavity | inferior to the diaphragm, divided into the abdominal and pelvic cavities |
| abdominal cavity | stomach, liver, intestines, and others |
| pelvic cavity | reproductive organs, bladder, rectum |