*The study of endocrine gland is called endocrinology.
*The study of hormones is called hormonology.
*Father of endocrinology was Thomas Edison.
*first endocrine disease reported was addison's disease caused by destruction of adrenal cortex.
*Huxley called hormones as a chemical messengers. hormones are also known as primary messenger or autocoids
*First hormone discovered was secretin bayliss and Sterling.
*insulin is the first hormone to be synthesized by scientist in the laboratory by Banting and best.
*Hormones are secreted by doctless glands (endocrine glands) released directly into blood the glands which duct are called exocrine gland.
*Formation of hormones called harmogenesis .
*The gland with duct is called exocrine gland.
*Ductless gland are called endocrine gland.
*pancreas is an example of mixed or heterocrine gland that has both exocrine and endocrine .
*The tissue on which the hormones act is known as target tissue
*most hormones are small and their molecular weight is low.
*hypothalamus is a part of nervous system but it is included in indocrine system as the neurosecretory cells in hypothalamus synthesise and secrete hormones.
*Pituitary gland is the smallest endocrine gland and also known as hypothesis faster aur hypophagia Siri bhari or master endocrine gland which is under the control of hypothalamus.
*thyroid gland is the largest endocrine gland of our body measuring 3-7 CM in length and 25 gram in weight.
*the thyroid gland is located just below the larynx and has right and left loops connected by isthmus.
*Thyroid gland maintain basal metabolic rate.
*Exopthalamic goiter also called Graves disease.
*Parathyroid gland is present four small pouches to which embedded in the posterior surface of each lobe of thyroid. gland.
*Sometimes some skeletal muscles usually off hands and feet, fail to relax after contraction and remain in sustained contraction and tetany.
*adrenaline and noradrenaline and to payment are collectively called catecholamines.