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Disorders of Parathyroid gland

  • Hypoparathyroidism (deficiency of parathormone) causes lowering of blood glucose level. This increases the excitability of nerves and muscles). Sustained contractions (tetany) of muscles of larynx, face, hands and feet are produced. This disease is called parathyroid tetany.
Image showinh the Hypoparathyroidism

Image Showinh the Hypoparathyroidism

Image of Hypoparathyroidism

  • Hyperparathyroidism (excess of parathormone) because of its osteoclstic activity it causes break down (osteoporosis) of bones and bones become soft. An excess of this hormone causes deposition of calcium in kidneys.

Actions of three major hormones; regulating serum calcium and phosphate levels

Showing the Actions of three major hormones; regulating serum calcium and… (93 more words) …

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Human Endocrine System & Hypothalamus

It includes the following endocrinal glands:

  1. Hypothalamus

  2. Pituitary

  3. Thyroid

  4. Parathyroid

  5. Adrenal or Suprarenal

  6. Pineal

  7. Thymus

  8. Pancreas

  9. Kidneys

  10. Gonads

  11. gastro-intestinal mucosa

  12. placenta

Image showing the various endocrine glands

Image Showing the Various Endocrine Glands

Image of the various endocrine glands

Hypothalamus

Origin; it develops from the ectoderm of embryo. Hypothalamus is related to both anterior and posterior lobes of pituitary.

Functions of hypothalamus:

  1. Controls the actions of pituitary gland. It exerts its influence on both anterior and posterior lobe of pituitary gland.

    Relationship between hypothalamus and anterior lobe of pituitary (adenohypophysis. ) ; is through the Hypothalamo-hypophyseal portal system.

    • Hypothalamus secretes hypothalamic releasing… (614 more words) …

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