Quantcast

Health Medical Pharma Reference Libraries

Page 8 of about 396 Articles
Testicles
2013-03-04 15:03:13

The testicles are the male reproductive organs that serve as a part of both the nervous and reproductive systems, acting as the ovaries’ counterpart. The testicles work to produce sperm and introduce chemicals such as testosterone. Formation and Orientation There are normally two testicles in the average male anatomy. These can be found in the protective sack called the scrotum. Two...

Stomach
2013-03-04 14:34:35

The stomach is the hollow organ that helps along digestion after mastication (chewing). It is the next step after the esophagus and before the small intestines. Formation and Orientation The stomach is composed of four parts. The cardia is the first part of the stomach in the digestive tract. It is the part of the stomach that allows the food to empty from the esophagus. The most northern...

Lymph Node
2013-03-04 14:27:41

A lymph node is an immune system organ that is widely distributed throughout various places in the body. There are about 500-600 nodes in an individual adult, with clusters of lymph nodes found in the underarms, groin, neck, chest, and abdomen. The lymphatic system as a whole is responsible for acting as the body’s primary mechanism of defense. Each node is oval-shaped, and measures between a...

Hypothalamus
2013-03-04 13:43:30

The hypothalamus is an organ that serves as an important link, along the hypothalamic-hypophyseal axis, between the nervous system and the endocrine system. It is located within the cranial cavity, in the cerebrum, right below the thalamus. It also forms the floor of the third ventricle in the brain. It contains neural pathways, blood vessels, glial cells, and secretory cells—all of which...

Thyroid And Parathyroid Glands
2013-03-04 13:34:45

The thyroid gland is an endocrine gland located anterior to the trachea and inferior to the thyroid cartilage. It is butterfly shaped with three lobes that make it the largest endocrine organ in the body. Its primary function is to control the body’s metabolism by regulating how quickly the body uses energy, proteins, and hormones. The two lateral lobes are connected by the middle lobe...

Thymus
2013-03-04 12:56:08

The thymus gland is an endocrine organ of the immune system located anteriolateral to the trachea and in between the lungs. Its primary function is to build T lymphocytes for the body’s immune system; therefore, it is most important during childhood and puberty, when it reaches its maximum size. After puberty, it will begin to atrophy and shrink in size. Old age generally brings about...

Adrenal Gland
2013-03-04 12:51:56

The adrenal glands are endocrine glands located directly on top of the kidneys. Their main function is to secrete vital hormones and steroids during times of stress, as well as govern many different bodily functions. The hormones that the adrenal glands secrete are primarily derived from amino acids or lipids. The right adrenal gland is pyramid-shaped, while the left adrenal gland is shaped...

Sigmoidoscopy
2013-03-04 10:30:47

Sigmoidoscopy is a medical procedure in which the physician is able to visualize the inside walls of the large intestine with a scope placed in the rectum. Only the distal part of the colon, or the sigmoid, is examined as opposed to the entire bowel in a colonoscopy. Reasons for procedure The use of this procedure is mainly for early detection of colorectal cancer, vascular abnormalities...

Gastroscopy
2013-03-04 10:13:56

The esophagogastroduodenoscopy is a medical diagnostic procedure used in internal medicine to view the upper part of the gastrointestinal tract. This non-invasive procedure is used for many complaints and requires little to no time for recovery from the procedure. Reasons for the Procedure Patients present to their physician with physical complaints. For example, a patient may come into...

Laparoscopy
2013-03-04 09:24:55

A laparoscopy is an invasive surgical procedure used in abdominal area but is much less invasive than the preceding methods. Small incisions are made in the abdomen or pelvic area in which the camera and tools are introduced to perform the surgery or inspect the area. The method before the laparoscopy involved cutting open the area completely with longer healing time and more complications....

Word of the Day
bretelles
  • In dressmaking, straps running from the belt in front over the shoulders to the belt in the back, with more or less elaboration of trimming and outline. They usually broaden at the shoulder and narrow toward the waist.
The word 'bretelles' comes from a French word meaning 'braces'.