1 As nouns the difference between xenograft and heterograft is that xenograft is a heterograft while heterograft is a tissue graft taken from a species different from that of the recipient. is that xenograft is to heterograft while heterograft is to perform a tissue graft using tissue taken from a species different from that of the recipient.
Portland, Oregon. For other uses, see Portland (disambiguation). Portland (/ËpÉËrtlÉnd/) is a seaport and the largest city in the U.S. state of Oregon and the seat of Multnomah County. It is in the Willamette Valley region of the Pacific Northwest, at the confluence of the Willamette and Columbia Rivers.
An aerial view of Washington County from above the Portland Community College Rock Creek campus. The seven-county Portland area might grow by up to 725,000 people in the next 20 years, according to Metro estimates. (Jamie Francis/The Oregonian). Simina Mistreanu | The Oregonian/OregonLive By Simina Mistreanu | The Oregonian/OregonLive The Oregonian.