membranectomy

mem·bra·nec·to·my

(mem'bră-nek'tŏ-mē), Removal of the membranes of a subdural hematoma. [membrane + G. ektomē, excision]

membranectomy

(mĕm″brăn-nĕk′tō-mē) [L. membrana, membrane, + Gr. ektome, excision] Surgical removal of a membrane.