Development of an organ from a number of embryonal structures or tissues. ... Origin: G. Allelon, reciprocally, + taxis, an arranging ... (05 Mar 2000) ... 
(ә-le″lo-tak´sis) development of an organ from several embryonic structures.
Type: Term Pronunciation: ă-lēl-ō-taks′is, -taks′ē Definitions: 1. Development of an organ from a number of embryonal structures or tissues.
allelotaxis, allelotaxy 1. The formation, during development, of one organ from more than one embryologic structure. 2. Development of a part from several embryonic structures or tissues.