label: chorionic mature intermediate villus
label_lc: chorionic mature intermediate villus
description: "A slender branch of a chorionic stem villus. A chorionic mature intermediate villus lacks fetal arterioles and venules in the stroma, which is composed of slender fetal capillaries embedded into a loose connective tissue that is rich in cells but poor in fibers. It exhibits a diameter ranging from 60 to about 100 μm."