Fig. 5From: Benchmarking in vitro tissue-engineered blood–brain barrier modelsAstrocyte morphology. A Protoplasmic astrocyte in the human brain (adapted from [158]). B Astrocyte end-feet surrounding a microvessel in the human brain (adapted from [158]). C Astrocyte derived from neural progenitor cell cultured in an extracellular matrix consisting of collagen type I, Matrigel, and hyaluronic acid (from [170])Back to article page