Pia Mater

Pia mater is the innermost layer of the meninges, clinging tightly to the brain with all the sulcus and fissure.  It is composed of a thin layer of simple squamous epithelial cell and areolar tissue.  It is further invested with blood capillaries that nourish the brain.

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Blood Vessels of the Pia Mater (TM: 25x, taken with a Zeiss F2.5/0.08 on Sony A7ii)
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Blood Vessels of the Pia Mater (TM: 100x, taken with an Olympus DPlan 10/0.25 on Sony A7ii)

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