formationes

for·ma·ti·o·nes

(fōr-mā-shē-ō'nēz), Plural of formatio.

formationes

Plural of formatio.

formatio

(for-mā′shē-ō) plural.formationes [L.] A structure with definite arrangement and shape.

formatio reticularis

The dorsal part of the medulla oblongata.