hormones regulation

Role Of Hormones As Messengers And Regulators - Hormones are informational molecules. They are secreted in response to changes in the environment inside or outside the body. These are released into the extracellular fluid, where they are diffused into the blood stream...

Maintenance of internal chemical environment of the body to a constant is called homeostasis. Hormones play a major role in maintaining homeostasis by their intergrated action and feed back control..

The thyroid gland secretes three hormones Thyroxine or tetraiodothyroxine, triiodothyronine and calcitonin . Thyroxine and triiodothyronine are iodinated forms of the aminoacid tyrosine. They are stored in the colloid that fills the vesicles and are released to the blood when needed. ..

Growth Regulators - The growth of plants is regulated by certain chemical substances, which are synthesized by the plant in very small quantities. These substances are formed in one tissue or organ of the plant and are then transported to other sites where they produce specific ..

>d) Increases the conductivity of the cardiac muscle and bundle of His thermal regulation Adrenaline secreted by the adrenal medulla of adrenal gland accelerates the rate of heart beat during emergency conditions. Noradrenaline increases the heart beat during normal condition. Thyroxine a..

Gene Regulation in Eukaryotes - In eukaryotes, the genes that code for the enzymes needed to catalyse the various steps of a particular metabolic pathway may not be adjacent or even be in different chromosomes. However, these genes are regulated by operon model as in bacteria. B..

Neurons connecting the heart to the cardiovascular system The heart beat is controlled by the nervous system, hormones, temperature and ..

. The secretions of the endocrine glands are called hormones . Hormones have the following characteristics: they may be proteinaceous or non-proteinaceous (amino acids or steroids) they are secreted as per need and not stored, only excreted their secretion may be regulatedh..

A wide variety of physiological processes are carried out unconsciously by the endocrine system through chemical messengers called "hormones." The endocrine system is a collection of glands that produces these hormones, which are necessary for normal bodily functions. The ..

Endocrine system consists of many endocrine or ductless glands, which secrete hormones into the blood. Hormones are information molecules, which regulate specific physiological processes in the target cell, tissues or organs. Hormones co-ordinate the ..