sentences:  Thus the channel obtains an external investment, and gradually becomes converted into a small vein, which after a short course acquires a coat of ordinary connective tissue, lined by a layer of flattened epithelial cells which are continuous with the supporting cells of the pulp.The smaller veins unite to form larger ones; these do not accompany the arteries, but soon enter the trabecular sheaths of the capsule, and by their junction form six or more branches, which emerge from the hilum, and, uniting, constitute the lienal vein, the largest radicle of the portal vein.Bill Townsend
  
  Bill Townsend (born c.1965) is an entrepreneur who helped create and build several global companies, most notably search engine Lycos, social networking pioneer sixdegrees.com, whose intellectual property formed the basis of LinkedIn, GeoCities (sold to Yahoo!)