Choriocapillaris

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Choriocapillaris

Choriocapillaris (pronunciation: kor-ee-oh-ka-pil-lar-is) is a layer of capillaries found in the choroid of the eye. It is the innermost layer of the choroid, located closest to the retina.

Etymology

The term "choriocapillaris" is derived from the Greek words "chorion" (meaning "membrane") and "capillaris" (meaning "hair-like"), referring to the fine, hair-like blood vessels that make up this layer.

Function

The primary function of the choriocapillaris is to supply oxygen and nutrients to the outer layers of the retina, including the photoreceptor cells. It also plays a role in thermoregulation of the eye.

Related Terms

  • Choroid: The vascular layer of the eye, containing connective tissues and lying between the retina and the sclera.
  • Retina: The light-sensitive layer of tissue at the back of the inner eye.
  • Photoreceptor cells: The cells in the retina that respond to light.

Pathology

Damage or disease affecting the choriocapillaris can lead to vision loss. Conditions such as age-related macular degeneration (AMD) and central serous chorioretinopathy (CSC) are associated with changes in the choriocapillaris.

See Also

External links

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