1)General structure capsule of LCT: insert into parenchyma to separate them into lobules parenchyma lobules e follicles g interstitium CT
1) General structure: ---capsule of LCT: insert into parenchyma to separate them into lobules ---parenchyma: lobules follicles interstitium: CT
2) follicle spherical, 0.02-09mm epi t colloid
2) follicle: ---spherical, 0.02-0.9mm ---epi + colloid
① Epithelium simple cuboidal epl -structure LM e cuboidal: flattened(inactive) or columnar( more active) e basophilic cytoplasm e spherical centrally-located N
① Epithelium: simple cuboidal epi ---structure: LM: cuboidal: flattened(inactive) or columnar ( more active) basophilic cytoplasm spherical centrally-located N
EM micro RER, Golgi, secretory granules e lysosome, endocytotic vesicles
EM: microvilli RER, Golgi, secretory granules lysosome, endocytotic vesicles
function: synthesize and release thyroid hormones ,甲状球借白的碘化。晈 甲状球蛋臼苤彳吸收 ● thyroxine(T4) a5、 e triodothyronine(T3)e 更 多| 兴a 氨基酸 降钙森氦堪酸 9T3 a processes (含豁氮酸 皮 . synthesis of thyroglobulin li. lodination of thyroglobulin Release of thyroid hormones
---function: synthesize and release thyroid hormones thyroxine(T4) triiodothyronine(T3) a. processes: i. synthesis of thyroglobulin ii. Iodination of thyroglobulin iii. Release of thyroid hormones