ILC 1 expanded class bp31

      bp31    on stage

31  [bp31]	at stage, step, phase
awi31  [bp31]	at stage
bp31  [:]	on stage
bp31a	beginning, start
bp31c	first stages
bp31e	developing
bp31n	young
bp31p	apex
bp31v	decline
bp31y	end
hk31  [bp31]	at evolutionary stage
jsv5  [bp31]	in part
m81  [:]	growth stage, developmental stage  [ontogeny, embryology]  « bp31
n31  [bp31]	at evolutionary stage  [evolutionary biology]
ny51  [bp31]	at development stage, growth stage, age
y31  [bp31]	advancement

or

Facets key
0  under aspect      
1  at time           
2  in place          
3  through process   
4  made of element   
5  with organ        
6  from origin       
7  to destination    
8  like pattern      
9  of kind