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.
View all. *Includes only the portion of Lake Oswego in Multnomah County. **Includes only the portion of Portland in Multnomah County. Portland city boundaries changed significantly between 1990 and 2000. Most of the reduction of the population in Unincorporated Areas is reflected in the growth of the population of the City of Portland. Data Source: U.S. Census Bureau, 2000 Census.