The three-dimensional microvascular arrangement around rat dorsal hairs as revealed by scanning electron microscopy

摘要: The three-dimensional microvascular arrangement around the vibrissa hairs in vascular corrosion casts of adult Wistar rats was studied by scanning electron microscopy. Each hairshaft surrounded sinus, which consisted superficial ring sinus and deeper cavernous sinus. Many trabeculae existed but not within a basket-like capillary network denser at its lower part. On inside only few arterioles ascended along hairshaft. Our results indicate that part hair, is most important area for hair growth, supplied with more abundant blood supply protected from external forces many trabeculae.