1. Undersecretion ; weak bones and teeth
2. Undersecretion in childhood ; Cretinism
3. Posterior lobe of pituitary
3.1. Oxytocin
3.1.1. Stimulates vigorous contractions of the uterus of pregnant mother leads to birth of the baby.
3.1.2. Contraction of mammary gland muscles and help in the flow of stored milk from the mammary gland to the mouth of the suckling infant.
3.2. Vasopressin
3.2.1. Helps in reabsorption in the nephrons of the kidneys.
3.2.2. Disorder
3.2.2.1. Deficiency- results in Diabetes insipidus Symptoms - Excessive dilute urination , person feels thirsty .
4. Thyroid
4.1. IT SECRETES THYROXIN . IODINE IS REQUIRED FOR PRODUCTION OF THYROXIN .
4.2. bi loped structure in front of the neck below the larynx
4.3. Disorders
4.3.1. Undersecretion in adults ; myxedema
4.3.2. Oversecretion in adults ; hyperthyroidism or exophthalmic goitre .
5. Parathyroid
5.1. Secretes parathormone
5.1.1. Oversecretion ; brittle bones and teeth
6. Adrenal gland
6.1. Adrenal cortex
6.1.1. Secretes adrenaline which Is also called emergency hormone
6.1.2. Mineralo - corticoids
6.2. Adrenal medulla
6.2.1. Cortisone
6.2.2. Sex hormone
7. Secretes Growth Hormone
7.1. Regulates normal growth
7.2. Regulates elongation of long bones and proportionate growth of muscles and visceral organs .
7.3. Disorders
7.3.1. Undersecretion in childhood-Dwarfism
7.3.2. Oversecretion in childhood- Gigantism
7.3.3. Oversecretion in adult- Acromegaly
8. under secretion of insulin causes hypoglycaemia - uncontrolled hypoglycaemia is called diabetes mellitus .
9. Hypothalamus
9.1. Secretes neurohormones
9.2. Controls pituitary gland
10. Anterior lobe of pituitary
10.1. Secretes Thyroid stimulating hormone
10.1.1. Activates thyroid gland to secrete thyroxin
10.2. Corticotropic Hormone
10.2.1. Stimulates and regulates the adrenal cortex.
10.3. Secretes gonad stimulating hormone
10.3.1. Luteinising hormone - Helps testes to produce testosterone and ovaries to produce oestrogen and progesterone
10.3.1.1. Follicle stimulating hormone - Helps testes to produce sperms and ovaries to produce ova
10.3.2. Prolactin - Stimulates Growth of mammary glands and secretion of milk after child birth.
11. Pancreas
11.1. Glucagon
11.1.1. Reduces blood sugar level
11.2. insulin
11.2.1. increases blood sugar level