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Adrenocorticotropic Hormones (ACTH)- It stimulates adrenal glands to secrete its hormone.įollowing are hormones secreted by the posterior pituitary gland.Thyroid Stimulating Hormones (TSH)- It stimulates the thyroid gland to secrete its hormone.Like oestrogen in females, testosterone in males. Gonadotropic hormones (GnRH)– It regulates the secretion of hormones from gonads.In a pregnant and lactating woman, this hormone level is high. Milk secretion is also controlled by this hormone. Prolactin– This hormone is responsible for the growth of breasts or mammary glands in mothers.On the other hand, if it is secreted in less amount, then the person becomes dwarf, and the disease is called dwarfism. If this hormone is secreted too much, then the person becomes too tall, and the disease is called gigantism. Growth hormone– This hormone is for the normal growth of a person.This gland is also called the master gland, as it controls all other glands.įunction: This gland is divided into two lobes called anterior pituitary (adenohypophysis) and posterior pituitary (neurohypophysis).įollowing are hormones secreted by the anterior pituitary gland. Location: It is located below the hypothalamus. Practice 11th CBSE Exam Questions Pituitary Gland But oxytocin and vasopressin hormones are produced by the hypothalamus, which are transferred to the posterior pituitary for the direct secretion in blood. It secretes releasing and inhibitory hormones, which are to be passed on to the pituitary gland. So, hypothalamus is considered as the Control center of the endocrine system. Hypothalamus controls the master gland, i.e. It is a part of the nervous system.įunction: It produces hormones or neurohormones that are transferred to the pituitary glands. Location: It is located on the floor of diencephalon. Examples are the liver, salivary glands, gastric glands, etc. Exocrine glands– Glands that secrete their secretions and transfer them to the target organ through ducts are called exocrine glands. Examples are the pancreas, testes and ovaries.Ģ. Heterocrine glands- It refers to the glands which have both endocrine and exocrine cells that can secrete hormones as well as enzymes. Examples are the Pituitary gland, Thyroid gland, Adrenal gland, etc.ī. Holocrine glands- It refers to the glands which have only endocrine cells that secrete only hormones. Its target organ can be far away from the source of secretion. Endocrine glands – It refers to the glands which secrete their secretions directly into the blood without any duct.On the basis of the presence or absence of ducts, the gland is of two types:. Branch of science that deals with the study of endocrine glands, hormones is known as endocrinology. These glands secrete chemicals called hormones which can control different distant target organs. The human endocrine system is the system that comprises different ductless glands.
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Frequently Asked Question (FAQs) on Human Endocrine System.Human Endocrine System- Associated Diseases.Major Endocrine Glands and their Functions.