Choroid: Anatomy and Function | Generated by AI
Question: What is the English term for 脉络膜 in the eye?
Answer:
脉络膜 = choroid (pronounced: /ˈkɔːrɔɪd/)
The choroid is a layer of tissue in the eye located:
Sclera (white outer layer) → Choroid (脉络膜) → Retina (视网膜) → Vitreous humor (玻璃体)
genui{“biology_neuroscience_behavior_senses_learning_block”:{“type_id”:”EYE_ACCOMMODATION”,”locale_override”:”en-US”}}
The choroid’s main functions:
- Blood supply: provides oxygen and nutrients to the outer retina, especially photoreceptors (rods and cones).
- Temperature regulation: helps remove heat generated by light absorption.
- Light absorption: contains melanin, which reduces scattered light inside the eye and improves image quality.
- Eye growth regulation: changes in choroidal thickness are involved in myopia research.
Related terms:
| Chinese | English |
|---|---|
| 脉络膜 | choroid |
| 脉络膜厚度 | choroidal thickness |
| 脉络膜血管 | choroidal blood vessels |
| 脉络膜新生血管 | choroidal neovascularization (CNV) |
| 视网膜 | retina |
| 巩膜 | sclera |
| 黄斑 | macula |
For myopia (近视) research, the choroid is especially interesting because a thinner choroid is often associated with axial elongation (眼轴增长), although the relationship is complex and not simply “thin choroid = myopia”. It is one of the active areas in myopia control research.
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