barrier

It produces claudin-4, a protein that helps neighboring cells form tight junctions, the seals that limit the movement of substances between cells and help maintain the intestinal barrier.

From Science Daily ● Oct. 31, 2026

That first name, his mother’s maiden name, is a barrier to easy pronunciation.

From The Wall Street Journal ● Oct. 30, 2026

"There was a clear breach of security protocol as the prisoners managed to pass through a three-tier barrier manned by security personnel," he said.

From BBC ● Oct. 29, 2026

Arnold Schwarzenegger, said affordability is “probably going to be the single biggest barrier to getting to the next level.”

From Los Angeles Times ● Oct. 22, 2026

Taran slid cautiously past the barrier; Eilonwy followed.

From "The Book of Three" by Lloyd Alexander

He and business partner Brenton Reger are designing new barriers, bracing for the brunt of El Niño.

From Los Angeles Times ● Oct. 29, 2026

"It break down barriers, it helps people build friendships."

From BBC ● Oct. 28, 2026

That’s what happens when a subject is obscured by layers of semi-permeable barriers of their own making: Eventually, the image distorts.

From Salon ● Oct. 28, 2026

Together, these problems cause the battery to deteriorate more quickly, making limited lifespan one of the biggest barriers to bringing anode-free batteries into widespread commercial use.

From Science Daily ● Oct. 28, 2026

As we’re dusting off our clothes, I notice a small depression past the orange barriers, at the fence line.

From "Internment" by Samira Ahmed