(biochemistry) A protein that is associated with a biological membrane; association typically refers to either the ability to copurify membrane lipids with said protein or the ability to visualize a physical association in situ.

(humorous, slang, sometimes derogatory) insane; crazy

(anatomy) A transparent collagen membrane that surrounds the vitreous humor

plural of membrane separation

plural of membrane distillation

(obsolete) A theoretical membrane that was once thought to surround, and stabilize, the fat globules in milk

(anatomy) An acellular membrane in the cochlea of the inner ear

filtration through a permeable or semipermeable membrane

(anatomy) The innermost layer of the choroid in the eye.

(biology) The cell membrane.