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

15. The Special Senses

Structure of the Eyeball

Anatomy & Physiology

15. The Special Senses

Structure of the Eyeball

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Multiple Choice

What region of the retina provides the sharpest vision?

Macula lutea

Fovea centralis

Optic disc

Peripheral retina

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Verified step by step guidance

Understand the anatomy of the retina: The retina is the light-sensitive layer at the back of the eye, containing photoreceptor cells that convert light into neural signals.

Identify the key regions of the retina: The retina includes several important areas such as the macula lutea, fovea centralis, optic disc, and peripheral retina.

Learn about the macula lutea: This is a small central area of the retina responsible for central vision and high acuity. It contains the fovea centralis.

Focus on the fovea centralis: Located within the macula lutea, the fovea centralis is a tiny pit that contains a high density of cone cells, which are responsible for sharp, detailed vision.

Contrast with other regions: The optic disc is where the optic nerve exits the eye, lacking photoreceptors, thus creating a blind spot. The peripheral retina is responsible for peripheral vision and is less sensitive to detail compared to the fovea centralis.