Pituitary: Left Anterior, Right Posterior

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Pituitary Left Anterior, Right Posterior
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Anterior pituitary
The pink cells are acidophils 1.
Somatotrophs Human Growth Hormone (hGH) 2.
Lactotrophs Prolactin (PRL)
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The dark purple cells are basophils 1.
Corticotrophs Adrenocorticotropic Hormone
(ACTH) Melanocyte-stimulating Hormone (MSH) 2.
Thyrotrophs Thyroid Stimulating Hormone (TSH)
3. gonadotrophs Follicle Stimulating
Hormone (FSH) Luteinizing Hormone (LH)
Anterior pituitary
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The pale staining chromophobes have few
cytoplasmic granules, but may have secretory
activity
Anterior pituitary
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Pituitary Left Anterior, Right Posterior
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These axons from the hypothalamic- Hypophyseal
tract release ADH and Oxytocin
Posterior Pituitary
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Thyroid and Parathyroid glands
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Large open spaces are follicles for storage of I2
Thyroid 100X
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Follicular cells T3 and T4
Thyroid 400X
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Parafollicular cells Calcitonin
Thyroid 400X
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Parathyroid 100X
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Parathyroid Hormone
Parathyroid 400X
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Adrenal Gland 100X, Cortex
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Adrenal Gland Cortex, Zona Glomerulosa Aldosterone
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Adrenal Gland Cortex, Zona Fasciculata Cortisone,
Hydrocortisone
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Adrenal Gland Cortex, Zona reticularis
androgens, mostly dehydroepiandosterone (DHEA)
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Adrenal Medulla Epinephrine and norepinephrine
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Pancreas 100X, Islets of Langerhans
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Pancreas 100X, Islets of Langerhans
Alpha Cells Secrete Glucagon Beta Cells
Secrete Insulin Delta Cells Secrete
Somatostatin F-Cells Secrete Pancreatic
Polypeptide
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Testes, 100X
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Testes, 400X Interstitial cells Testosterone
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Ovary, 40X
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Ovary, 100X Graafian follicle with
oocyte Follicular cells Estrogens
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Ovary, 100X Corpus Luteum Progesterone