Mouse Anatomical Dictionary - Stage 4 (Advanced division/segmentation)

TS4;   
|   TS4;embryo [12] 
|   |   TS4;compacted morula [13] 
|   |   TS4;inner cell mass [14] (blastocyst)
|   TS4;extraembryonic component [15] 
|   |   TS4;cavities and their linings [16] 
|   |   |   TS4;blastocoelic cavity [17] 
|   |   TS4;second polar body [18] 
|   |   TS4;trophectoderm [19] 
|   |   |   TS4;mural trophectoderm [20] 
|   |   |   TS4;polar trophectoderm [21] 
|   |   TS4;zona pellucida [22]