Endocrine System Histology and Models

ENDOCRINE SYSTEMDry Lab Questions

• Function: maintain homeostasis• Thymus gland (site of maturation of white blood cells)• Thyroid gland (secretes thyroid hormone and calcitonin)• Parathyroid gland (secretes parathyroid hormone)• Adrenal gland (secretes aldosterone)• Pituitary gland (secretes FSH, etc. The neurohypophysis

stores and releases hormones produced in the hypothalamus)

• Ovary (also an endocrine gland; secretes estrogen)• Testes (secretes testosterone)• Pancreas (secretes insulin; lack= diabetes mellitus)

ENDOCRINE MODELS

• Thyroid gland

• Adrenal gland

• Thymus gland

• Pituitary gland

• Pineal gland

• Ovary/Testes

• Pancreas

Adrenal and Thyroid glands

Thyroid Gland

Ovary

Testes

Pancreas

Pancreas

Spleen

Duodenum

Spleen

Kidney

Pancreas

Gall bladder

Kidney

Adrenal gland

ENDOCRINE HISTOLOGY

• Ovary

• Testes

• Pancreas

• Thyroid gland

Ovary

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Testes

TestesSeminiferous tubules

Pancreas

Acinar cells (secrete enzymes)

Islet of Langerhans (secretes insulin)

Thyroid Gland

Secretes calcitonin and thyroid hormone

Thyroid Gland