The following points highlight the eleven main effects of thyroid hormones. Some of the effects are: 1. Effects on Oxygen Consumption, Heat Production 2. Effects on Growth and Differentiation 3. Cardiovascular Effect 4. Hematopoietic Effects 5. Gastrointestinal Effect 6. Pulmonary Effect 7. Effects on Foetal Development 8. Effects on Carbohydrate Metabolism 9. Effects on Protein Metabolism and Others. 1. Effects [...]
In this article we will discuss about:- 1. Biochemistry of Thyroid Hormone 2. Synthesis of Thyroid Hormone 3. Secretion. Biochemistry of Thyroid Hormone: Thyroid follicular cells synthesise and secrete two iodinated amino acids as hormones, viz., thyroxine or T4 or 3, 5, 3', 5'-tetraiodothyronine and T3 or 3, 5, 3'- triiodothyronine (Fig. 7.19). Instead of these hormones, the C cells [...]
In this article we will discuss about:- 1. Meaning of Thyroid Gland 2. Development of Thyroid Gland 3. Location 4. Anatomy 5. Histology and Cytology. Meaning of Thyroid Gland: Thyroid gland is the largest organ (weighing about 15-25 gm. in adult human), specialised for endocrine function in human body. This gland is capable of accumulating iodide in great excess and [...]