SUBSTANTIVE EMPHYSEMA Meaning and
Definition
-
Substantive emphysema, also known as pulmonary emphysema, is a medical condition characterized by the abnormal accumulation of air in the lung tissues. It is a type of chronic obstructive pulmonary disease (COPD) that primarily affects the alveoli, the tiny air sacs in the lungs responsible for oxygen and carbon dioxide exchange during respiration.
In substantive emphysema, the walls of the alveoli become damaged and lose their elasticity. This leads to the destruction of the alveolar walls and the formation of larger, irregular air spaces. Consequently, the lungs lose their natural ability to efficiently exchange oxygen and carbon dioxide, resulting in reduced lung function.
As a progressive disease, substantive emphysema tends to worsen over time. Common causes of this condition include long-term exposure to cigarette smoke, environmental pollutants, and genetic factors. Symptoms of substantive emphysema usually include shortness of breath, wheezing, coughing, chest tightness, and fatigue. Individuals with substantative emphysema may also experience weight loss and recurrent respiratory infections.
The diagnosis of substantive emphysema is usually confirmed through medical imaging techniques, such as chest X-rays or computed tomography (CT) scans, which show the characteristic changes in lung tissue. Treatment options for substantive emphysema focus on managing symptoms, reducing exacerbations, and slowing its progression. These may include lifestyle modifications, medication, pulmonary rehabilitation, oxygen therapy, and, in some cases, surgical interventions.
It is important for individuals with substantive emphysema to seek medical attention and follow a comprehensive treatment plan to alleviate symptoms, improve lung function, and enhance overall quality of life.
-
Increase in size of the pulmonary vesicles through atrophy of their walls and breaking down of the septa between adjacent air-cells.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for SUBSTANTIVE EMPHYSEMA
Etymology of SUBSTANTIVE EMPHYSEMA
The word "substantive emphysema" is a medical term used to describe a condition characterized by an abnormal accumulation of air or gas in the tissues of the lungs. It is mainly derived from Latin and Greek roots:
1. Substantive: The word "substantive" comes from the Latin term "substantivus", which means "standing by itself" or "independent". In medical terminology, "substantive" is used to describe something significant, essential, or meaningful.
2. Emphysema: The term "emphysema" originates from the Greek word "emphysan", meaning "to inflate". In medicine, it refers to the abnormal presence of air or gas in the body, specifically in the lungs.
