Science For Health Care

The prostate is a glandular organ present only in males. Only men develop prostate cancer.

The prostate is normally about 3 cm long (slightly more than 1 inch) and lies at the neck of the bladder and in front of the rectum.

The prostate surrounds the urethra, which is a tubular structure that carries sperm and urine out of the penis.

It produces a thin, milky fluid that is added to the sperm at the time of ejaculation.

Older men often have an enlarged prostate, which is a noncancerous condition called benign prostatic hypertrophy (BPH) that causes urinary symptoms.
Cancer occurs when normal cells undergo a transformation in which they grow and multiply without normal controls.

As the cells multiply, they form a mass called a tumor.

Tumors are cancerous only if they are malignant. This means that they invade neighboring tissues because of their uncontrolled growth.

They may also travel to remote organs via the bloodstream.

This process of invading and spreading to other organs is called metastasis.

Tumors overwhelm surrounding tissues by invading their space and taking the oxygen and nutrients they need to survive and function.
Almost all prostate cancers arise from the secretory glandular cells in the prostate. Cancer arising from a glandular cell is known as adenocarcinoma. Therefore, almost all prostatic cancers are prostatic adenocarcinomas.
In the United States, cancer of the prostate is a common malignant cancer in men, second only to lung cancer. About 200,000 new cases are diagnosed each year, and about 30,000 men die of the disease each year.

Prostate cancer is a form of cancer that develops in the prostate, a gland in the male reproductive system

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The heart is a muscle like any other in the body. It needs blood flow to supply oxygen to allow it to do work. When there isn’t enough oxygen, the muscle starts to suffer, and when there is no oxygen, the muscle starts to die.

Heart muscle gets its blood supply from arteries that start in the aorta and run on the surface of the heart, known as the coronary arteries. The right coronary artery supplies the right ventricle of the heart and the inferior (lower) portion of the left ventricle. The left anterior descending coronary artery supplies the majority of the left ventricle, while the circumflex artery supplies the back of the left ventricle.
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Cancer Signs and Symptoms

Cancer gives you no symptoms or signs that exclusively indicate the disease. Every complaint for cancer can explain a harmless condition as well. If you have symptoms, however, you should see a doctor for further evaluation. Some common symptoms are as follows:

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Cancer (medical term: malignant neoplasm) is a class of diseases in which a group of cells display uncontrolled growth (division beyond the normal limits), invasion (intrusion on and destruction of adjacent tissues), and sometimes metastasis (spread to other locations in the body via lymph or blood). These three malignant properties of cancers differentiate them from benign tumors, which are self-limited, and do not invade or metastasize. Most cancers form a tumor but some, like leukemia, do not. The branch of medicine concerned with the study, diagnosis, treatment, and prevention of cancer is oncology.

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