How can we help?

You can also find more resources in our Help Center.

33 terms

Body Cavities, Quadrants, Planes and Sections, and directional terms

STUDY
PLAY
cranial cavity
contains the brain
vertebral cavity
contains the spinal cord
diaphragm
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
mediastinum
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.
Anterior
The front; before
Ventral
Belly Side (equivalent to anterior when referring to human body)
Posterior
The back; behind
Dorsal
The back (= to posterior when referring to human body)
Cranial or cephalic
the head
Superior
Above; at a higher level (in human body, toward the head)
Caudal
The tail (coccyx in humans)
Inferior
Below; at a lower level
Medial
toward the center
Lateral
toward the outside
proximal
toward an attached base
Distal
away from an attached base
superficial
at, near, or relatively close to the body surface
deep
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