1) Sequence 
A malformation together with its subsequently derived structural changes. ... Origin: see anomaly ... (05 Mar 2000) ... 
(ә-nom´ә-lad) sequence (def. 2).
Type: Term Pronunciation: ă-nom′ă-lad Definitions: 1. A malformation together with its subsequently derived structural changes. Synonyms: sequence
anomalad A pattern of development initiated by a single structural defect which subsequently leads to associated secondary defects.