part of part of in lateral side of midbrain cerebral peduncle cerebral crus http://upload.wikimedia.org/wikipedia/commons/d/da/Cn3nucleus.png NCIT:C32409 basis pedunculi cerebri (Willis) UBERON:0002631 cerebral peduncle (clinical definition) BIRNLEX:1218 pes pedunculi cerebral peduncle, basal part BAMS:cp EV:0100243 UMLS:C0175414 FMA:72464 MA:0001056 EMAPA:37499 CCR crus cerebri base of cerebral peduncle basis pedunculi (Oertel) neuronames:539 crus cerebri pedunculus cerebri, pars basalis crus of the cerebral peduncle basis cerebri (Oertel) Wikipedia:Cerebral_crus The cerebral crus is the anterior portion of the cerebral peduncle which contains the motor tracts, the plural of which is cerebral crura. In some older texts, it is used as a synonym for the entire cerebral peduncle, not just the anterior portion of it. [WP,unvetted]. pes pedunculi of midbrain pars neo-encephalica pedunculi crura cerebri MESH:D065843 BTO:0004677 lateral structure white matter of midbrain