Membrane

usgb/ˈmembreɪn/
noun

A thin sheet or layer usually covering something or dividing something.

The cell membrane covers the cell and protects its inside parts.
Visual representation of "membrane" - A thin sheet or layer usually covering something or dividing something

Often appears as...

  • cell membrane
  • mucous membrane

Usage tips

Scientific

Definition 1 of 3
Visual representation of "membrane"
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Biological Importance

Membranes are crucial for living organisms, controlling what enters or leaves cells, like a security guard.

Illustration for Biological Importance
Medicines target the cell membrane to treat diseases.
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Visual Metaphor

Imagine a membrane as an ultra-thin pizza base, delicate and specifically designed to hold toppings.

Illustration for Visual Metaphor
A cell's membrane might look like pizza dough under a microscope.
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Boundary Descriptor

Membranes serve as dividing lines, separating spaces or substances from each other.

Illustration for Boundary Descriptor
The mucous membrane marks the boundary of the inner nose.
Visual representation of the word "Membrane"

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