| 单词 | pigment cells |
| 释义 | pigment cells The synthetic hormone works by stimulating pigment cells in the skin, causing them to produce more of the melanin that gives skin its colour. The Sun They arise because of errors in building the fine structure of the skin from blood vessel pigment cells and other cells. Times, Sunday Times They're caused by either by clusters of pigment cells, or abnormal blood vessels under or inside the skin. Times, Sunday Times An ommatidium contains a cluster of photoreceptor cells surrounded by support cells and pigment cells. Retrieved from Wikipedia CC BY-SA 3.0 The retina comprises numerous pigment cells and photoreceptors; the latter are easily modified flagellated cells, whose flagellum membranes carry a photosensitive pigment on their surface. Retrieved from Wikipedia CC BY-SA 3.0 |
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