Definitions for "Anlage"
(pl. anlagen): primordium, precursor (Ger., a laying on).
(German = primordium) structure or cells which will form a future structure.
an organ in its earliest stage of development; the foundation for subsequent development
Keywords:  annex, appendix
Appendix or annex
The initial clustering of embryonic cells from which a part or an organ develops.
Keywords:  assembly
assembly
Keywords:  system
system