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   The main respiratory organs in the chest where blood is oxygenated.


The area of the body located between the neck and the abdomen. The chest contains the lungs, the heart and part of the aorta. The walls of the chest are supported by the dorsal vertebrae, the ribs, and the sternum.

The life-maintaining fluid which is made up of plasma, red blood cells (erythrocytes), white blood cells (leukocytes), and platelets; blood circulates through the body's heart, arteries, veins, and capillaries; it carries away waste matter and carbon dioxide, and brings nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues.


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. Lung cancers can be divided into two types: small cell lung cancer and non-small cell lung cancer. The cancer cells of each type grow and spread in different ways, and they are treated differently. Non-small cell lung cancer is usually associated with prior smoking, passive smoking, or radon exposure. The main kinds of non-small cell lung cancer are named for the type of cells found in the cancer: squamous cell carcinoma (also called epidermoid carcinoma), adenocarcinoma, large cell carcinoma, adenosquamous carcinoma, and undifferentiated carcinoma.

Lungaggregate reagent
Lungaggregate reagent is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): technetium tc-99m albumin aggregated kit.


Tetanus infection.

The portion of the back between the rib cage and pelvis.

Lysergic acid diethylamide. A hallucinogenic drug.

Pain in the lower back.

Having to do with the lower back, the loins.


Lupus erythematosus
A usually chronic inflammatory disease that causes abnormalities of blood vessels and connective tissue in various parts of the body.

Luteinizing hormone
A hormone secreted by the anterior pituitary gland, responsible for stimulating ovulation in the female and testosterone production in the male.

Lyme disease
A disease spread by deer ticks characterized at first by a skin rash, headache and fever, and later by arthritis and heart damage.

Consists primarily of a clear, yellowish fluid and white blood cells. Found in the lymphatic system.

Lymph node
Any of many small, compact structures lying in groups along the course of the lymphatic vessels and producing lymphocytes.

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