Adventitia

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  adventitia \adventitia\ n.
     1. the membranous outer covering of an organ or blood vessel.
        [WordNet 1.5]

From WordNet (r) 2.0 [wn]:



  adventitia
       n : an enveloping or covering membrane or layer of body tissue
           [syn: {tunic}, {tunica}]