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.
Oregon City is the county seat of Clackamas County, Oregon, located on the Willamette River near the southern limits of the Portland metropolitan area.Established in 1829 by the Hudson's Bay Company, in 1844 it became the first U.S. city west of the Rocky Mountains to be incorporated. small private airfield is along Beavercreek Road, south of Oregon City. Oregon City is served by Portland International Airport, 15 miles (24 km) to the north, and by Portland-Mulino Airport, a general-aviation facility in the town of Mulino, approximately 15 miles (24 km) to the south.