Meaning & Definition of word "Retinal"
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Retinal
/ˈrɛtɪnəl/
adjective:
- 1. Relating to the retina, the thin layer of tissue at the back of the eye that senses light and sends images to the brain.
- Example: The retinal cells play a crucial role in detecting light and color.
- 2. Pertaining to the light-sensitive tissue layer that causes vision.
- Example: Retinal degeneration can lead to significant vision loss in patients.
- 3. Describing substances or conditions connected with the retina's function.
- Example: The study focused on retinal health in patients with diabetes.
- 4. Referring to certain chemical compounds derived from vitamin A, which are essential for vision.
- Example: Retinal is crucial in the visual cycle, allowing the regeneration of photoreceptors.
Etymology
Coined in the mid-19th century from the Latin 'retina', meaning 'net'.
Common Phrases and Expressions
retinal detachment:
A medical condition where the retina is pulled away from its normal position.
retinal imaging:
A procedure that captures images of the retina for diagnostic purposes.
Related Words
retina:
The light-sensitive layer of tissue at the back of the eye.
retinopathy:
A disease of the retina.