Nội dung text 22 chemical co-ordination n integration ppt - part 2.pdf
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• Largest endocrine gland. HUMAN ENDOCRINE SYSTEM 4. THYROID GLAND
• Largest endocrine gland. • It includes 2 lobes located on either side of the trachea. • The lobes are interconnected with isthmus (a connective tissue). • Thyroid gland is composed of follicles & stromal tissues. HUMAN ENDOCRINE SYSTEM 4. THYROID GLAND Follicular cells secrete the following hormones: 1. Thyroxin (tetraiodothyronine, T4) & Triiodothyronine (T3) 2. Thyrocalcitonin (TCT)
Functions: Regulation of basal metabolic rate (BMR). Physical, mental & sexual development. 1. Thyroxin (tetraiodothyronine, T4) & Triiodothyronine (T3) HUMAN ENDOCRINE SYSTEM 4. THYROID GLAND
Functions: Regulation of basal metabolic rate (BMR). Physical, mental & sexual development. Support RBC formation. Control metabolism of carbohydrates, proteins & fats. Maintain water & electrolyte balance. 1. Thyroxin (tetraiodothyronine, T4) & Triiodothyronine (T3) HUMAN ENDOCRINE SYSTEM 4. THYROID GLAND
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