Parietal
Adjective from the Latin 'parietalis' meaning 'belonging to the wall' that the ancient anatomists used to designate the wall, as of a body cavity.</P> For examples, there are the: > >Parietal bone -- the main side bone of the skull.
>Parietal lobe -- the main side lobe of the brain (it is beneath the parietal bone).
>Parietal pericardium -- the outer membrane around the heart.
>Parietal peritoneum -- the membrane lining the abdominal cavity (as opposed to the visceral peritoneum that envelops the abdominal organs).
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