b function of thyroid hormones oincrease the basal metabolism rate S promote the cell growth raise body temperature e increase heart rate e play a role in foetal and neonatal development of CNs
b. function of thyroid hormones increase the basal metabolism rate promote the cell growth raise body temperature increase heart rate play a role in foetal and neonatal development of CNS
2 Colloid; iodinated thyroglobulin HE: eosinophilic, homogeneous structure
② Colloid: iodinated thyroglobulin HE: eosinophilic, homogeneous structure
3) parafollicular cell single between follicular cell in small groups in interstitial tissue structure LM ovoid, polygonal /arger /pale-stained: eosinophilic /argyrophilic granules
3) parafollicular cell ---single between follicular cell ---in small groups in interstitial tissue ---structure: LM: /ovoid, polygonal /larger /pale-stained: eosinophilic /argyrophilic granules
EM Initrogenous-hormone secreting cell feature /granules: contain calcitonin function secret calcitonin/ to promote activity of osteoblast and suppressing the absorption of Catt in gastrointestinal tract and renal tubule secret calcitonin gene related peptide CGRP(act upon heart and small Bv) and somatostatin
EM: /nitrogenous-hormone secreting cell feature /granules: contain calcitonin ---function: i. secret calcitonin to promote activity of osteoblast and suppressing the absorption of Ca++ in gastrointestinal tract and renal tubule ii. secret calcitonin gene related peptide, CGRP(act upon heart and small BV) and somatostatin