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Marc Ohlhausen1, Pukhraj Rishi1

  • 1Truhlsen Eye Institute, University of Nebraska Medical Center, Omaha, Nebraska.

Digital journal of ophthalmology : DJO
|April 10, 2025
PubMed
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黑色细胞瘤是一种罕见的良性瘤. 一个案例研究详细介绍了一个68岁妇女的虹膜黑色细胞瘤,在显示生长后手术切除了它.

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相关概念视频

Pigmentation01:19

Pigmentation

The color of the skin is influenced by a number of pigments, including melanin, carotene, and hemoglobin. Recall that melanin is produced by cells called melanocytes, which are found scattered throughout the stratum basale of the epidermis. The melanin is transferred to the keratinocytes via melanosomes.
Melanin occurs in two primary forms: eumelanin that provides black and brown pigment and pheomelanin that provides red color. Dark-skinned individuals produce more melanin than those with pale...