Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

16. The Endocrine System

Introduction to the Endocrine System

Anatomy & Physiology

16. The Endocrine System

Introduction to the Endocrine System

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Multiple Choice

Which of the following is an example of a neuroendocrine gland?

Pituitary gland

Thyroid gland

Adrenal medulla

Pancreas

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Verified step by step guidance

Understand the concept of a neuroendocrine gland: Neuroendocrine glands are specialized structures that receive neural input and, in response, release hormones into the blood. These glands serve as a link between the nervous system and the endocrine system.

Identify the characteristics of the adrenal medulla: The adrenal medulla is part of the adrenal glands, located on top of the kidneys. It functions as a neuroendocrine organ because it receives signals from the nervous system and secretes hormones like adrenaline (epinephrine) and noradrenaline (norepinephrine) into the bloodstream.

Compare the adrenal medulla with other glands: The pituitary gland, thyroid gland, and pancreas are primarily endocrine glands. They secrete hormones directly into the bloodstream but are not directly controlled by neural input in the same way as the adrenal medulla.

Recognize the role of the adrenal medulla in the 'fight or flight' response: When the body perceives a threat, the nervous system stimulates the adrenal medulla to release adrenaline, preparing the body for rapid action.

Conclude why the adrenal medulla is classified as a neuroendocrine gland: Due to its direct interaction with the nervous system and its role in hormone secretion, the adrenal medulla is a prime example of a neuroendocrine gland.