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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

4. Tissues & Histology

Nervous Tissue: The Neuron

Anatomy & Physiology

4. Tissues & Histology

Nervous Tissue: The Neuron

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Multiple Choice

In the context of nervous function, what does it mean if nerve fibers decussate?

They regenerate after injury.

They form a synapse with another neuron.

They increase the speed of nerve impulse transmission.

They cross from one side of the central nervous system to the other.

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Verified step by step guidance

Understand the term 'decussate': In anatomy, 'decussate' refers to the crossing of nerve fibers from one side of the central nervous system to the other.

Recognize the significance of decussation: This process is crucial for the coordination of sensory and motor functions, allowing signals to be processed on the opposite side of the brain.

Identify examples of decussation: Common examples include the optic chiasm, where optic nerves cross, and the pyramidal decussation, where motor fibers cross in the medulla oblongata.

Consider the implications of decussation: It ensures that each hemisphere of the brain can control and receive information from the opposite side of the body.

Clarify misconceptions: Decussation does not involve regeneration, synapse formation, or increased speed of transmission; it specifically refers to the crossing of nerve fibers.