The Collaborative International Dictionary of English v.0.48:
Interlobular \In`ter*lob"u*lar\, a. [Pref. inter- + lobular: cf. F. interlobulaire.] (Anat.) Between lobules; as, the interlobular branches of the portal vein. [1913 Webster]WordNet (r) 3.0 (2006):
interlobular adj 1: between lobes or lobules