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cranial cavity

contains the brain

vertebral cavity

contains the spinal cord


muscle that separates the thoracic and abdominopelvic cavities

thoracic cavity

enclosed by the ribs, sternum, and vertebral column

pericardial cavity

contains the heart

pleural cavity

contains the lungs


central area within the thoracic cavity

abdominopelvic cavity

contains both the abdominal and pelvic cavities

abdominal cavity

the area between the diaphragm and the brim of the pelvis

pelvic cavity

contains the reproductive organs and urinary bladder.


The front; before


Belly Side (equivalent to anterior when referring to human body)


The back; behind


The back (= to posterior when referring to human body)

Cranial or cephalic

the head


Above; at a higher level (in human body, toward the head)


The tail (coccyx in humans)


Below; at a lower level


toward the center


toward the outside


toward an attached base


away from an attached base


at, near, or relatively close to the body surface


farther from the body surface

Transverse plane

Perpendicular to the vertical orientation of the body

Sagittal plane

Vertical section divides a body into right and left portions

Midsagital plane

plane passes through the midline, dividing the body in half and separating the right and left sides equally

Parasagittal plane

misses the midline, separating right and left portions of unequal size

Frontal plane

separates anterior and posterior portions of the body

Right upper quadrant

right lobe of liver, gallbladder, right kidney, portions of stomach, small and large intestine

Left upper quadrant

left lobe of liver, stomach, pancreas, left kidney, spleen, portions of large intestine

Right lower quadrant

Cecum, appendix, and portions of small intestine, reproductive organs, right ureter

Left lower quadrant

Most of small intestine, and portions of large intestine, left ureter, and reproductive organs

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