germ layer
| theory
| germ layer | |
| med. | stratum germinativum |
| theory | |
| gen. | veronderstelling |
| arts. | theorie |
| earth.sc. el. | berekening |
| |||
| stratum germinativum | |||
|
germ layer : 2 phrases in 1 subject |
| Medical | 2 |