systemoid

sys·te·moid

(sis'tĕ-moyd),
Resembling a system; denoting a tumor of complex structure resembling an organ.
Farlex Partner Medical Dictionary © Farlex 2012

systemoid

(sĭs′tĕ-moyd) [″ + eidos, form, shape]
1. Resembling a system.
2. Pert. to tumors made up of several types of tissues.
Medical Dictionary, © 2009 Farlex and Partners