1. Endocrine System Histology Laboratory Orientation

2. Hypothalamus and Hypophysis Hypothalamohypophyseal tract Infundibulum Median eminence Pars nervosa

3. Long and short hypophyseal portal veins Primary plexus of hyophyseal portal veins in median eminence Secondary plexus of hypophyseal portal veins Superior hypophyseal artery Inferior hypophyseal artery Drainage of the veins to cavernous sinus

4. Cross (transverse) section Frontal view #226 (H) xc trichrome (human) #226 (H) xc H&E (human)

5. #226 H (H&E) #226 (trichrome) S S

6. 226 (H&E) Sinusoidal capillaries

7. Hypophysis (sagittal section) use for Pars nervosa and intermedia #227(H) sag Trichrome #226 (H) sag H&E

8. Pars nervosa Note capillaries and pituicyte nuclei #227 (H) sag trichrome #226 (H) sag HE

9. #227 (M) xc triC (also 227(M) xc HE)

10. #227 (M) xc Monkey Pars Intermedia #227 (M) xc Trichrome

11. #226 (H) sag HE and 227 (H) sag triC Pars intermedia (PI) and remnants of Rathke’s pouch (RP) PI RP PI

12. #229 Human, sagittal Infundibular Stalk Hypophyseal portal veins (system) Also, #229B Human, Infundibular Stalk

14. #217 Thyroid gland Parathyroid gland

15. #218 Rat Normal #218 Rat Hypoactive #218 Rat Hyperactive

16. #217 #220 #221 Parathyroid Oxyphil cells

17. Kidney and Suprarenal Glands in situ

18. #230 Human Adrenal (suprarenal) gland

19. #230 Human Adrenal gland

20. #230 Adrenal Cortex Z. Glomerulosa Z. Fasciculata Z. Reticularis

21. #230 Adrenal Medulla Branch of central vein

22. #231 Monkey adrenal gland

23. WebSlide 95: pancreas Islet of Langerhans – contrast with surrounding acinar cells and note the rich capillary bed.