fovea

/'fouviə/

Thân thiện

The eye doctor points to the fovea on the detailed diagram.

Definition

1. Noun:
   • A small pit or depression: In anatomy, a "fovea" is a small, cup-like depression or pit in a surface, especially in a bone or organ.
   • The central focal point in the retina: In ophthalmology, the "fovea" (specifically the fovea centralis) is a tiny depression in the macula of the retina, densely packed with cone cells, responsible for sharp, central vision.

Usage Examples

• Noun:
  • The fovea is critical for activities requiring detailed vision, like reading.
  • The surgeon examined the fovea for signs of degeneration.
  • A small fovea can be observed on the surface of the bone.

Advanced Usage

• "Foveal vision": Refers to the high-acuity, central vision provided by the fovea.
  • Foveal vision is used when you focus directly on an object.
• "Foveal pit": Another term emphasizing the depression-like structure of the fovea.
  • The foveal pit is the thinnest part of the retina.

Variants and Related Words

• Foveal (adj): Pertaining to the fovea.
  • Foveal development is complete a few months after birth.
• Foveola (n): A very small fovea; the central floor of the fovea.
  • The foveola contains the highest concentration of cone cells.

Synonyms

• Pit: A small hollow or depression in a surface.
• Depression: A sunken or hollow area.

Related Phrases and Terms

• Fovea centralis: The full anatomical name for the retinal fovea.
  • The fovea centralis is the point of greatest visual acuity.
• Extra-foveal vision: Vision originating from areas of the retina outside the fovea, typically with lower acuity.
  • Extra-foveal vision is more sensitive to motion and dim light.

Học thuật

Noun

1. area consisting of a small depression in the retina containing cones and where vision is most acute

Từ đồng nghĩa

• fovea centralis