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.
1 Population 1,572,771 million people live in the Portland Metro area (Multnomah Country which includes most of the City of Portland), Clackamas County (southeast), Washington County (west), and Clark Country (Vancouver area of Washington state).2  Portland Population 583,766 â a gain of 10.3% from 2000 numbers. Population 1,572,771 million people live in the Portland Metro area (Multnomah Country which includes most of the City of Portland), Clackamas County (southeast), Washington County (west), and Clark Country (Vancouver area of Washington state). 2  Portland Population 583,766 â a gain of 10.3% from 2000 numbers.