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The Blood-brain Barrier

The Blood-brain Barrier

Physiological Barriers

Physiological Barriers

Physiological barriers are semi-permeable cellular structures restricting drug diffusion into intracellular compartments and tissues. There are six types of physiological barriers: blood endothelial, cell membrane, blood-brain, blood-cerebrospinal fluid (CSF), blood-placenta, and blood-testis barriers.
The blood endothelial barrier is the most porous of these. It allows all small ionized, un-ionized, and lipophilic molecules to pass through the endothelial lining into the interstitial space...

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Related Experiment Video

Updated: Jun 12, 2026

Improved Method for the Establishment of an In Vitro Blood-Brain Barrier Model Based on Porcine Brain Endothelial Cells

Improved Method for the Establishment of an In Vitro Blood-Brain Barrier Model Based on Porcine Brain Endothelial Cells

Published on: September 24, 2017

The blood-brain barrier in vitro

¹Department of Physiology, King's College, London WC2R 2LS, U.K.

Neurochemistry International

|May 25, 2010

Summary

No abstract available in PubMed .

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Last Updated: Jun 12, 2026

Improved Method for the Establishment of an In Vitro Blood-Brain Barrier Model Based on Porcine Brain Endothelial Cells

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