+----------------COMP:V-N(in)---------------+    
                                  |        +------------MOD_ATT:N-N-----------+    
      +----------SUBJ:V-N---------+        |              +----MOD_ATT:N-N----+    
      +----COMP:N-N(of)---+       |        |              |   +-MOD_ATT:N-ADJ-+    
      |           +MOD_ATT+       |        |              |   |      +MOD_ATT:+    
      |           |       |       |        |              |   |      |        |    
 Expression of __SP__ __NODE__ occurs in aorta from 90.5 day old embryonic __SP__ .
COMP:N-N(of) (expression,__NODE__)
MOD_ATT:N-ADJ (__NODE__,__SP__)
SUBJ:V-N (occur,expression)
COMP:V-N(in) (occur,__SP__)
MOD_ATT:N-N (__SP__,aorta)
MOD_ATT:N-N (__SP__,day)
MOD_ATT:N-ADJ (__SP__,old)
MOD_ATT:N-ADJ (__SP__,embryonic)