The phrase "around a portion" is correct and usable in written English.
It can be used when referring to something that is situated or occurring in the vicinity of a specific part or segment of something larger.
Example: "The decorations were placed around a portion of the garden to enhance its beauty."
Alternatives: "surrounding a section" or "encircling a part".
Prosthetic materials wrapped around a portion of the stomach have been used to provide gastric restriction in bariatric surgery for many years.
By John McCarten The New Yorker, July 4 , 1959P. 18 Talk story about a trip around a portion of the New York & New Jersey harbor on the ship, Knickerbocker VII, to view cargo-handling facilities.
To enclose land was to put a hedge or fence around a portion of this open land and thus prevent the exercise of common grazing and other rights over it.
As with any infinite tile pattern, when a border is placed around a portion of the design, some of the elements may appear only partially.
Autophagy is a conserved degradative process whereby a double membrane vesicle, an autophagosome, forms around a portion of the cytoplasm or an organelle and fuses with a late endosome/lysosome resulting in enzymatic degradation of its cargo [1], [2].
In macroautophagy, a double-layered membrane forms around a portion of cytosol.
I just can't see them being jerked around by a portion of their caucus the way Boehner seems to be being jerked around by the Tea Party.
Opposite Haji Ali Juice Centre, outside Heera Panna, around £1 a portion.
A spokesman for the occupation authorities said that as many as three separate bombs might have been detonated in the attack, which occurred around 4 20 p.m. "A portion of the front of the police substation collapsed," the spokesman said.
By 1952, the current alignment of Churchmans Road was constructed around New Castle Airport, with a portion of the original road being removed.
And then two hipsters opened the Cereal Killer Cafe in Brick Lane, serving only breakfast cereal at around £3 a portion, and all hell broke loose.
