plasma membrane

noun

, Cell Biology.

1. cell membrane.

plasma membrane

1. See cell membrane

Word History and Origins

Origin of plasma membrane¹

First recorded in 1895–1900

Example Sentences

According to Zhang, "At one moment, PKA needs to be active on the plasma membrane. But the next moment, it needs to come off the plasma membrane and be active on the mitochondrial membrane. Ten minutes later, it really needs to be in the nucleus to turn on transcription."

From Science Daily

From earlier research, the scientists knew that Rnf43 on its own was not sufficient to break down the Wnt receptor Frizzled, which sits in the plasma membrane.

From Science Daily

Free cholesterol is drawn into the cell's plasma membrane -- the external boundary of the cell -- by a protein called NPC1L1.

From Science Daily

"We solve that mystery by showing that two members of the Aster protein family -- Aster-B and -C -- provide the link between NPC1L1 and ACAT2. By attaching to the plasma membrane, these proteins facilitate cholesterol transport to the endoplasmic reticulum."

From Science Daily

Four of the compounds -- including two of the newly identified ones -- were effective at destroying the plasma membrane of this fungus, causing its cells to leak and preventing it from forming biofilms.

From Science Daily