Rigid bronchoscopy is an invasive procedure that is utilized to visualize the oropharynx, larynx, vocal cords, and tracheal bronchial tree. It is performed for both the diagnosis and treatment of ...

With spring blooming all around us, it's only natural to pay a bit more attention to the trees than we usually might. But Princeton's municipal arborist Taylor Sapudar dedicates himself to trees ...

An international study has revealed spruce trees not only respond to a solar eclipse but actively anticipate it by synchronizing their bioelectrical signals hours in advance into a cohesive ...

By the Victorian age, wealthy households had hall trees or hall stands in the entryway. They were functional pieces, kept against a wall to save space and featuring a place for everything: coat ...

The flow of the ciliary stream in the bronchial tree of man is directed generally upward against gravity. Paradoxically, downstream is up toward the larynx, and upstream is down toward the alveoli.

Scientists have studied trees depicted in various works of art and found they contain fractals, following relatively simple ...

Wood is a highly ordered arrangement of living, dying and dead cells. Here is a briefing on how tree cells grow and function structurally.

What Are Pulmonary Function Tests (PFTs)? Pulmonary function tests (PFTs) are lung tests. They show how well your lungs work. They’re noninvasive, which means that the doctor doesn’t cut you ...

The bronchial tree of patients with asthma is hypersensitive to the effects of dust, cold air, histamine, methacholine and pollen extracts, so that bronchial obstruction roughly proportional to ...

SAN DIEGO — After bronchoscopic lung volume reduction, or BLVR, patients with COPD and alpha-1 antitrypsin deficiency had better lung function, according to a poster at the American Thoracic ...

The muscles in the lungs and bronchial tree (or the windpipe and channels connecting it to the lungs) swell and tighten, restricting your airflow.