membraneous

As adjectives the difference between membranous and membraneous

is that membranous is having the qualities of, or pertaining to, a membrane while membraneous is alternative form of membranous.

As a noun tetrasyllable

is (also used attributively) a word comprising four syllables.

As an adjective membraneous is

.

As adjectives the difference between trisyllabic and membraneous

is that trisyllabic is having three syllables while membraneous is .

As a noun trisyllabic

is a word comprised of three syllables.

As an adjective membraneous

is .

As a noun endomembrane is

(biology) all the membraneous components inside a eukaryotic cell, including the nuclear envelope, endoplastic reticulum, and golgi apparatus.