macula

A noun referring to a distinct spot or area, such as a darker spot on the sun's photosphere associated with magnetic fields, the central yellowish region of the retina responsible for sharp vision, or a discolored patch of skin caused by various conditions.

• 🇨🇳名词，指明显的斑点或区域，例如太阳光球上与磁场相关的较暗斑点（太阳黑子）、视网膜中央负责锐利视觉的黄色区域（黄斑），或由不同状况引起的皮肤色素脱失斑块。

1. Solar spot C1 formal scientific

   A cooler, darker area that appears periodically on the sun's photosphere, linked to a strong magnetic field.

   • Astronomers observed a large macula on the sun's surface.
   • The sun's maculae are associated with intense magnetic activity.
   • Solar maculae can affect space weather patterns.

   🇨🇳太阳黑子

   同义词: sunspot

2. Retinal spot C1 formal medical

   A small yellowish central area of the retina that is rich in cones and responsible for clear, detailed vision.

   • The macula is essential for reading and recognizing faces.
   • Age-related macular degeneration affects the macula of the eye.
   • Damage to the macula can cause central vision loss.

   🇨🇳视网膜黄斑

   同义词: yellow spot

3. Skin spot B2 formal medical

   A patch of skin that is discolored but not usually raised, caused by various diseases or conditions.

   • The doctor examined the macula on the patient's arm.
   • Certain infections can cause maculae to appear on the skin.
   • The rash consisted of several flat maculae.

   🇨🇳皮肤斑点

   同义词: blemishdiscolorationmaculepatchspot

• maculae plural form
• maculas plural form
• maculae's possessive plural form
• maculas' possessive plural form
• macula's possessive singular form