(anatomy, histology) A thin sheet of fibrous cells that underlies the epithelium.

(anatomy) The basement membrane that lies between the stroma and the endothelial layer of the cornea.

infant respiratory distress syndrome

(anatomy) The ciliary zonule.

plural of membrane potential

(biology) The difference in electrical potential across the enclosing membrane of a cell

plural of memory lane

(aviation, travel) An official notification that a travel agency has underpaid an airline for a ticket or similar, or is being fined by the airline for failure to adhere to fare rules or airline policy.

(aviation, travel) an official notification that a travel agency has overpaid an airline for a ticket or similar travel arrangements.

Alternate spelling of nictitating membrane.