- A complex of anatomical structures functionally related; a system.
Examples from the Web for systema
It had been suggested by Kuetzing in Systema Algarum (p. 126).The Diatomaceae of Philadelphia and Vicinity
Charles Sumner Boyer
This was evidently the shell so designated in the 'Systema.'
The species of the Museum was evidently distinct from that of the 'Systema.'
Evidently this was identical with the M. senticosus of the 'Systema.'
All the headings in this genus are similar to those in the 'Systema'.