plasma membrane

noun

Pronunciation: /ˈplæzmə ˈmɛmbreɪn/

Definition

The semi-permeable lipid bilayer that forms the outer boundary of a cell, regulating the passage of substances into and out of the cytoplasm.

Examples

• The plasma membrane maintains homeostasis by selectively allowing nutrients to enter the cell.

• Damage to the plasma membrane can lead to the loss of essential cellular components.

• Proteins embedded within the plasma membrane facilitate communication between neighboring cells.

Synonyms of plasma membrane

Words with a similar meaning to plasma membrane:

• cell membrane
• plasmalemma

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