Cell membrane — Free Physiology Illustration

Physiology

Cell membrane

Simplified flat 2D textbook diagram of a phospholipid bilayer shown as a thin flexible membrane strip, gently curved band, or slightly wavy double-layered boundary. The membrane consists of two parallel rows of small round hydrophilic or polar phospholipid head groups on the outer surfaces, with short paired hydrophobic fatty-acid tails projecting inward to form the membrane interior or hydrophobic core. In more schematic versions, it may read as a smooth double line or narrow translucent ribbon with a subtle pale interior band suggesting the bilayer. The overall appearance is clean, organized, lightly translucent or semitransparent, and rendered in soft tan, beige, cream, pale blue, gray-blue, pale yellow, pale pink, light orange, or light gray tones.

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