fovea centralis
Học thuậtThân thiện
Definition
- Noun:
- A small depression in the retina: The "fovea centralis" is a specific anatomical area within the eye.
- Contains cones: This depression is densely packed with cone cells, which are photoreceptor cells responsible for color vision and high visual acuity.
- Where vision is most acute: It is the point in the retina that provides the sharpest, clearest central vision, essential for tasks like reading and recognizing faces.
Usage Examples
- Noun:
- The image is focused directly on the fovea centralis for detailed scrutiny.
- Damage to the fovea centralis can severely impair central vision.
- In the human eye, the fovea centralis is the region of highest visual resolution.
Advanced Usage
- "foveal vision": Vision that utilizes the fovea centralis, characterized by high spatial acuity and color perception.
- When you read, you are using your foveal vision to process the fine details of the text.
Variants and Related Words
- Fovea (n): A general term for a pit or depression, often used as a shortened, more common form of "fovea centralis" in anatomical contexts.
- The ophthalmologist examined the patient's fovea.
- Foveal (adj): Pertaining to the fovea or fovea centralis.
- The test measures foveal sensitivity.
Synonyms
- Central fovea: An alternative name for the same structure.
- Fovea: A common abbreviated synonym.
Noun
- area consisting of a small depression in the retina containing cones and where vision is most acute