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Pituitary Gland

Pituitary Gland The pituitary gland is a pea-sized structure located at the base of the brain, just below the hypothalamus, to which it is attached via nerve fibers. It is part of the endocrine system and produces critical hormones, which are chemical substances that control various bodily functions. The pituitary is divided into three sections: the anterior, intermediate, and posterior lobes....

Parathyroid Glands

Parathyroid Glands A number of vital functions in human body are controlled by biochemical substances, called hormones, which are chemical messengers released by either ductless or ducted glands directly into the blood stream or through ducts. Of all the hormone secreting glands in the body, the parathyroid gland is the smallest which is embedded in the thyroid gland or located...

Pancreas

Pancreas The pancreas /ˈpæŋkriəs/ is a glandular organ in the digestive system and endocrine system of vertebrates. In humans, it is located in the abdominal cavity behind the stomach. It is an endocrine gland producing several important hormones, including insulin, glucagon, somatostatin, and pancreatic polypeptide which circulate in the blood. The pancreas is also a digestive organ, secreting pancreatic juice...

Nose

  Nose Nose Parts The nose has two holes called nostrils. The nostrils and the nasal passages are separated by a wall called the septum (say: SEP-tum). Deep inside your nose, close to your skull, your septum is made of very thin pieces of bone. Closer to the tip of your nose, the septum is made of cartilage (say: KAR-tel-ij), which is flexible...

Mouth

  Mouth In human anatomy, the mouth is the first portion of the alimentary canal that receives food and saliva. The oral mucosa is the mucous membrane epithelium lining the inside of the mouth. In addition to its primary role as the beginning of the digestive system, in humans the mouth also plays a significant role in communication. While primary aspects of...

Lungs

  Lungs The lungs are the primary organs of respiration in humans and many other animals including a few fish and some snails. In mammals and most other vertebrates, two lungs are located near the backbone on either side of the heart. Their function in the respiratory system is to extract oxygen from the atmosphere and transfer it into the bloodstream,...

Liver

  Liver The liver is a large, meaty organ that sits on the right side of the belly. Weighing about 3 pounds, the liver is reddish-brown in color and feels rubbery to the touch. Normally you can't feel the liver, because it's protected by the rib cage. The liver has two large sections, called the right and the left lobes. The gallbladder...

Larynx (voice box)

Larynx (voice box) Laryngeal cancer is not as well known by the general public as some other types of cancer, yet it is not a rare disease. The American Cancer Society estimates that in 2012 there will be about 12,360 new cases of laryngeal cancer (9,840 men and 2,520 women) and about 3,650 deaths (2,880 men and 770 women). Even...