systemoid

sys·te·moid

(sis'tĕ-moyd), Resembling a system; denoting a tumor of complex structure resembling an organ.

systemoid

S27-932440 (sĭs′tĕ-moyd) [″ + eidos, form, shape] 1. Resembling a system.2. Pert. to tumors made up of several types of tissues.