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Updated: Jul 23, 2026
07:32
Purification of Mouse Brain Vessels
Published on: November 10, 2015
Abstract:
A method for their demonstration and the morphological characteristics of a type of small cells found in adult rat brains are presented. In lightoptical levels these cells have a simple shape. With their usually unbranched processes these cells are bridging generally two, seldom three or more blood capillaries.
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00:49The Blood-brain Barrier
Overview
01:20Capillaries and Their Types
Capillaries, a crucial constituent of the circulatory system, are diminutive vessels with a diameter between 5–10 micrometers, accommodating perfusion to the tissues through the phenomenon known as microcirculation. Through their permeable walls, consisting of an endothelial layer ensconced by a basement membrane and sporadically dispersed smooth muscle fibers, the exchange of substances between the blood and the interstitial fluid becomes plausible. Variance in wall composition exists, with...