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Endocrine System

Endocrine System

Mechanisms of Hormone Action And Control of Hormone Production

A hormone produces its effect by binding to a target cell’s receptors for that hormone. The more receptors it binds to, the greater is the effect on the target cell. All hormones affect target cells by altering their metabolic activities. For example, they may change the rate

Pituitary Gland – Control And Hormones of Anterior And Posterior Lobe

The pituitary gland, or hypophysis, is attached to the hypothalamus by a short stalk. It rests in a depression of the sphenoid bone, the sella turcica, which provides protection. The pituitary gland consists of two major parts that have different functions: an anterior lobe and a posterior

Thyroid Hormones – Production Control, List The Actions And Major Disorders

The thyroid gland is located just inferior to the larynx. It consists of two lobes, each one lateral to the trachea, that are connected by an anterior isthmus. Hormones of the Thyroid Gland Hormone Control Action Disorders Thyroxine (T4) and triiodothyronine (T3) TSH from anterior lobe of

Adrenal Glands – Production Control, List The Actions And Major Disorders

Adrenal glands are a pair of yellowish flat pyramid like glands which lie at the upper end of the kidneys. They look like a cap on the kidney and each gland has an outer yello adrenal cortex and inner reddish-brown adrenal medulla. Adrenal medulla secretes two harmones

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