From sub- + peritoneal. <span class="searchmatch">subperitoneal</span> (not comparable) (anatomy) Situated under the peritoneal membrane. Part or all of this entry has been imported...
infraperitoneal (not comparable) Synonym of <span class="searchmatch">subperitoneal</span>....
subperitoneum (uncountable) The <span class="searchmatch">subperitoneal</span> space....
<span class="searchmatch">subperitoneally</span> (not comparable) (anatomy) Under the peritoneal membrane....