Blood brain barrier — Free Biology Illustration | GPAI | GPAI

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Blood brain barrier — Free Biology Illustration | GPAI | GPAI

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Blood brain barrier

Blood brain barrier

Biology

Blood brain barrier

Cross-sectional biological depiction of the blood-brain barrier as a short, narrow brain capillary segment with a pale red lumen and a continuous wall formed by tightly packed endothelial cells joined by close tight junctions. The vessel is wrapped by a thin basement membrane and closely hugged by astrocyte end-feet or small glial supporting cell processes, shown as pale blue to light purple star-like projections around the outer surface. The capillary wall appears soft pink and sealed, emphasizing the barrier structure.

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