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.
The climate of Portland (Oregon - United States of America) Portland is a large city located in the northern part of the state of Oregon in the vicinity of the border with the state of Washington. Portland is located in Multnomah County at the junction of the Willamette River and the Columbia River. Portland is among the 25 largest cities in the United States.