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Page 8 of about 393 Articles
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....

Hepatitis B
2013-02-25 09:11:23

Image Caption: This electron micrograph reveals the presence of hepatitis-B virus HBV "Dane particles", or virions. Credit: CDC/Wikipedia Hepatitis B: What Is It? Hepatitis simply means a swelling or inflammation of the liver. The type hepatitis that a person contracts (there are 5 common forms) affects their long-term prognosis. The most common and most severe of these different types...

Dog Tapeworm Echinococcus granulosus
2014-01-12 00:00:00

The dog tapeworm (Echinococcus granulosus), also known as the hyper tapeworm or the hydatid worm, is classified within the Platyhelminthes phylum. This species can reach an average length between .07 and .2 inches and its body is comprised of three segments, called proglottids, if it has not been damaged. These segments are known as gravid proglottids, mature proglottid, and immature...

Cystoscopy
2013-01-18 11:39:08

Cystoscopy is a medical procedure to explore the bladder with a cytoscope, a small camera with magnification. The bladder is accessed by the cytoscope through the urethra. This procedure is used as a diagnostic tool for the medical provider. Reasons for Procedure There are several complaints from patients that would make this procedure a consideration of the medical provider. Patients...

Word of the Day
snash
  • To talk saucily.
  • Insolent, opprobrious language; impertinent abuse.
This word is Scots in origin and probably imitative.