浙江大学：Endocrine System

Endocrine System Thyroid gland(甲状腺)(No.35) > Adrenal gland(肾上腺)(No.36) > Hypophysis(脑垂体)(No37) Jun Zhou 20190521 School of medicine, Zhejiang University

1 Endocrine System ➢Thyroid gland （甲状腺）(No.35) ➢Adrenal gland （肾上腺）(No.36) ➢Hypophysis（脑垂体） (No.37) Jun Zhou 20190521 School of Medicine, Zhejiang University

Thyroid gland isthmus lobe Overview Capsule > Parenchyma follicles with pink colloid interfollicle stroma

2 Thyroid gland Overview ➢Capsule ➢Parenchyma ▪ follicles with pink colloid ▪ interfollicle stroma lobe isthmus

> Follicle 1)Follicular cells Simble cuboidal epi Columnar(stimulated) Squamous(inactive) 2) Parafollicular cells(滤泡旁细 胞) 3) Colloid(胶质) >Interfollicle stroma

3 ➢Follicle 1)Follicular cells Simble cuboidal epi Columnar (stimulated) Squamous (inactive) 2)Parafollicular cells（滤泡旁细 胞） 3)Colloid（胶质） ➢Interfollicle stroma

colloid Follicular cell: Simple cuboidal epithelium

4 Follicular cell: Simple cuboidal epithelium colloid

P oM e Parafollicular cells

5 P P Parafollicular cells

Parafollicular cells, silver-stained

6 Parafollicular cells, silver -stained

Adrenal gland >Capsule Cortex >Medulla

7 Adrenal gland ➢Capsule ➢Cortex ➢Medulla

IOna fasiculat Cortex Zona reticuli zona glomerulosa(球状带) > zona fasiculata(束状带) zona reticularis(网状带)

8 ➢zona glomerulosa（球状带） ➢zona fasiculata（束状带） ➢zona reticularis（网状带） Cortex Zona fasiculata Zona glomerulosa Zona reticularis

capsule Zona glomerulosa : Zona fasiculata Zona reticularis

9 Zona glomerulosa Zona fasiculata Zona reticularis capsule

glomerulosa 09 990 Ie 9/ 6 Zona glomerulosa >Small cells in clusters >A few lipid droplets 10

10 Zona glomerulosa ➢Small cells in clusters ➢A few lipid droplets Zona glomerulosa