Biology

Pituitary gland

Basal metabolic rate

The changes in the body due to hormone secretion are:- Groth hormones stimulate the growth of bones and soft tissue of body. Antidiuretic hormones secreted by pituitary gland prevent formation of large amount of urine . Thyroxine hormone regulates basal metabolic rate . Adrenal gland is known as gland of emergency.

They are transported generally in the bloodstream, but act only at specific sites called Target organs .

Pancreas is both endocrine as well as exocrine gland . It is an elongated flattened organ which lies behind the stomach, attach to the first section of the small intestine by a duct that transports its digestive juice to the intestine.

The two adrenal glands are present at the top of each kidney. It consists of two parts- The outer portion is called the adrenal cortex and the inner portion is called adrenal medulla.

This is the largest gland of the endocrine system. It is bilobed gland located in the neck at the junction of the trachea and larynx.

It is about the size of a corn and is situated at the base of the brain . It is often referred to as the “Master gland” as it releases many hormones that control other endocrine glands.

The main endocrine glands that have a greater role in human body are :- Pineal gland Pituitary gland Thyroid gland Parathyroid gland Thymus Pancrease Adrenal gland Ovaries Testes

The characteristics of hormones are :- Hormones are specific chemical messenger. Hormones are secrated in small amounts by endocrine glands Hormones are poured directly into the blood and carried by blood circulation. Hormones act on specific tissue or organ called target organ. Hormones are mostly proteinaceous in nature or are the steroids. Hormones immediately disappear …

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