Alveoli are tiny air sacs in your lungs that take up the oxygen you breathe in and keep your body going. Although they’re microscopic, alveoli are the workhorses of your respiratory system. People ...

What these tiny sacs in the lungs do and conditions that can affect them Medically reviewed by Susan Russell, MD Alveoli are tiny, balloon-shaped air sacs located at the end of the bronchioles, the ...

The alveoli are microscopic, balloon-like structures in the lungs that play a crucial role in respiration. If they are damaged, they may be able to self-repair, but medical attention is key to ...

Atelectasis (pronounced a-teh-LEK-tuh-sis) is a lung condition that happens when your airways or the tiny sacs at the end of them don’t expand the way they should when you breathe. Because of this, a ...

WASHINGTON, Sept. 6, 2022 – Alveoli are the basic functional units of the human respiratory system, acting as tiny air sacs that exchange gases. Air inhaled through the mouth and nose flows into the ...

Specialized lung cells appear in the developing fetus much earlier than scientists previously thought. A new animal study (“Early lineage specification defines alveolar epithelial ontogeny in the ...

When the airways become constricted, the chest may feel tight or congested, and a wheeze can often be heard. Other sounds to look out for, discussed below.

Objectives There is a lack of knowledge about whether occupational exposures increase the risk of emphysema, especially in ...

Using animal models, University of Alberta researchers have taken what they say is the first important step towards treatment for lung disease in premature babies, in effect, growing new blood vessels ...

Lung damage causes proliferation of P63-expressing cells in bronchioles, migration to damaged tissue, and regeneration of alveoli. Scientists have identified a subset of stem cells in rodents and in ...

COVID-19 is a respiratory disease. It can do a lot of damage to your respiratory tract, which includes your lungs. SARS-CoV-2, the virus that causes COVID, is part of the coronavirus family. When the ...