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RSSEmphysema
Emphysema is a chronic lung
disease. It is often caused
by exposure to toxic
chemicals or long-term
exposure to tobacco smoke.
Emphysema is characterized
by loss of elasticity of the
lung tissue; destruction of
... > full story
COPD
Chronic obstructive
pulmonary disease (COPD) is
an umbrella term for a group
of respiratory tract
diseases that are
characterized by airflow
obstruction or limitation.
The most common cause is
... > full story
Bronchitis
Bronchitis is an obstructive
pulmonary disease
characterized by
inflammation of the bronchi
of the lungs. Bronchitis can
be acute (short-term), or
chronic (long-lasting).
Chronic bronchitis is
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Pulmonary alveolus
An alveolus (plural:
alveoli), is an anatomical
structure that has the form
of a hollow cavity. In the
lung, the pulmonary alveoli
are spherical outcroppings
of the respiratory
bronchioles and are the
... > full story
Browse Reference Articles
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Gas exchange
Gas exchange or respiration takes place at a respiratory surface; a boundary between the external environment and the interior of the body. For unicellular organisms the respiratory surface is simply ... > more -
Oxygen therapy
Oxygen therapy is the administration of oxygen as a therapeutic modality. Oxygen therapy benefits the patient by increasing the supply of oxygen to the lungs and thereby increasing the availability ... > more -
Mechanical ventilation
In medicine, mechanical ventilation is a method to assist or replace spontaneous breathing. Mechanical ventilation can be life-saving and is a mainstay of CPR, intensive care medicine, and ... > more -
Lung cancer
Lung cancer is a malignant tumour of the lungs. Most commonly it is bronchogenic carcinoma (about 90%). Lung cancer is the most lethal malignant tumour worldwide, causing up to 3 million deaths ... > more -
Metastasis
Metastasis is the spread of cancer from its primary site to other places in the body (e.g., brain, liver). Cancer cells can break away from a primary tumor, penetrate into lymphatic and blood ... > more -
Excretory system
The excretory system is the system of an organism's body that performs the function of excretion, the bodily process of discharging wastes. The Excretory system is responsible for the elimination of ... > more
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