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.
Portland is the largest city in the U.S. state of Oregon and the seat of Multnomah County. It is a major port in the Willamette Valley region of the Pacific Northwest, at the confluence of the Willamette and Columbia rivers. The city covers 145 square miles and had an estimated population of 639,863 in 2016, making it the 26th most populous city in the United States, and the second-most populous in the Pacific Northwest. Approximately 2,424,955 people live in the Portland metropolitan statistica