Image of a lung lobe from a carcinogen-exposed mouse. Cells expressing the basal cell marker KRT5 have been fluorescently labelled and can be seen spreading throughout the bronchial tree The ‘cell of ...

Think of your respiratory tract as an upside-down tree. The trunk is your trachea ... If you've had a severe case of COVID, you may have lasting lung damage even after you test negative for ...

Human lungs are a complex, fractal network of airways. “Imagine the lung as a tree and early-identified lung nodules as its fruit that typically grows on the treetops, but not on the trunk ...