Page 3
Low magnification – the entire Pituitary Gland
Posterior Pituitary Pars Intermedia Anterior Pituitary
Pars TuberalisPituitary Stalk
Page 4
High mag of the Anterior Pituitary – note eosinophilic and basophilic cells
Page 5
Growth Hormone ACTH
Immunohistochemictry of the Anterior Pituitary
Page 6
TEM of the Anterior Pituitary – note different granule morphology
C – corticotrophs (ACTH); G – gonadotrophs (FSH,LH) S – somatotrophs (growth hormone); T Thyrotrophs (TSH) ; F – fenestrated capillary
Page 7
High mag of the Posterior Pituitary – neurons, capillaries, and pituicytes
Page 8
High mag of the Posterior Pituitary – note Herring Bodies (arrow)
Page 9
TEM of the Posterior Pituitary UN -unmyelinated neuron; asterisks – Herring Body
Page 10
The Thyroid & Parathyroids
Page 12
High mag of thyroid follicles – note Parafollicular or C-Cells (arrows)
Page 14
Low Magnification of the Parathyroid Gland
Page 15
Parathyroid Gland – note small dark staining chief cells and larger, eosinophilic oxyphil cells
Page 17
Low magnification of the Adrenal Gland
Medulla
Cortex
Cortex
Page 19
Adrenal Cortex
Zona Glomerulosa
(clumps, cords, and follicle like structures
Zona Fasciculata
(cords of spongiocytes)
Page 23
Low magnification of the Pancreas with Islets of Langerhans (arrows)
Page 24
High mag of an Islet – note Beta cells and more eosinophilic Alpha2 cells
Acini
Alpha Cells
Page 25
Glucagon Insulin
Immunohistochemistry of a pancrearic Islet of Langerhans