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Endocrine System Histology

Pineal Gland

Pineal Gland

Brain Sand surrounded by Pinealocytes

Low Magnification High Magnification

Pituitary Gland Anterior Lobe Posterior Lobe

Anterior Lobe of Pituitary Gland

Posterior Lobe of Pituitary Gland

Thyroid Gland and Parathyroid Gland

follicular cells

follicular cells

C cells or parafollicular cells

Adrenal Gland adrenal

cortex

adrenal

medulla

Adrenal Gland

1

2

3

4

1. capsule

zona

glomerulosa

zona

fasciculata

2.

zona

fasciculata

3. zona

fasciculata

zona

reticularis

4.

zona

reticularis

adrenal

medulla

enlarged on

next slide

adrenal

medulla

Pancreas

Pancreatic Islet (Islet of

Langerhans)

Pancreatic Acini

Pancreatic Acini

Pancreatic Islet (Islet of Langerhans)