internal membrane
/ɪnˌtəːnl ˈmɛmbreɪn/noun
1 Anatomy. A membrane lining a part of the body, especially a mucous membrane or endothelium. Now rare.
2 Cell Biol. The cell membrane of a plant cell, contained within the cell wall (now rare ); a membrane contained within a cell or organelle.
Origin
Mid 17th century; earliest use found in Alexander Read (1586?–1641). From internal + membrane.
- be away
- be away laughing
- be a weight off one's mind
- be banging (or knocking) one's head against a brick wall
- be barking up the wrong tree
- be beaten at the post
- be beforehand with
- be better than a poke in the eye with a sharp (or burnt) stick
- be better than nothing
- be bitten by the —— bug
- be blown off course
- bebop
- bebopper
- be borne in on (or upon)
- be born with a silver spoon in one's mouth
- be bouncing off the walls
- be brought to bed
- be browned off
- be built like a brick shithouse
- be bumping along the bottom
- be burned at the stake
- BEC
- be called (or go) to the Bar
- be called within the Bar
- becalm