| 单词 | planaria |
| 例句 | I look at slides, planaria worms in section with their triangular heads and cross- eyes, bacteria colored with vivid dyes, hot pinks, violent purples, radiant blues. Cat's Eye 1988-09-01T00:00:00Z Sometimes we’re given slides to look at: butterfly wings, cross- sections of worms, planaria stained with pink and purple dyes so you can see the different parts. Cat's Eye 1988-09-01T00:00:00Z All of the faces resemble planaria stretched over blocks. Cover Story: “Playdate” 2015-06-15T04:00:00Z Illustration shows the digestive, nervous and excretory systems in a flat, worm-like planaria. Fundamentals of Biology 2015-01-01T00:00:00Z Flame cells are found in flatworms, including parasitic tapeworms and free-living planaria. Biology for AP Courses 2022-06-09T00:00:00Z The microbiome comprises all the bacteria, fungi, viruses, and other microscopic life that inhabit an individual, be it a person, a plant, or a planaria. Modern city dwellers have lost about half their gut microbes 2022-06-22T04:00:00Z He and his colleagues discovered that Nb2 cells are always present throughout the planaria body. This one, newly discovered cell can remake a whole animal 2018-06-14T04:00:00Z After all, the flatworm planaria does just fine with eyes that are arguably not as good. Pixie Camera Captures Precious Pixels 2011-07-08T22:15:02.170Z See, I will place this white planaria on my hand; do you notice that it protrudes something you might perhaps say was its tongue? Country Walks of a Naturalist with His Children If the head of planaria lugubris is cut off just behind the eyes, there develops at the cut surface of the head-piece another head turned in the opposite direction. At the Deathbed of Darwinism A Series of Papers Researchers have known for decades that a group of unspecialized stem cells called neoblasts help planaria regenerate. This one, newly discovered cell can remake a whole animal 2018-06-14T04:00:00Z Its role in spreading cancer cells suggests it may also help cells get to parts of the planaria that need fixing. This one, newly discovered cell can remake a whole animal 2018-06-14T04:00:00Z In another experiment, a single injected Nb2 cell was able to multiply and diversify to rescue planaria that had been given a lethal dose of radiation. This one, newly discovered cell can remake a whole animal 2018-06-14T04:00:00Z Cut them in two or more pieces, each piece will grow into a perfect planaria again. Country Walks of a Naturalist with His Children When the team cut planaria and followed wound recovery, the Nb2 cells increased rapidly in number, the team reports today in Cell. This one, newly discovered cell can remake a whole animal 2018-06-14T04:00:00Z “Somehow planaria have retained cells” that can become any type they want, Sánchez Alvarado explains. This one, newly discovered cell can remake a whole animal 2018-06-14T04:00:00Z Though often no bigger than an apple seed, planaria are the envy of the animal kingdom. This one, newly discovered cell can remake a whole animal 2018-06-14T04:00:00Z And the protein seems key: When the researchers put neoblasts that didn’t make tetraspanin in dying planaria, the planaria did not recover. This one, newly discovered cell can remake a whole animal 2018-06-14T04:00:00Z |
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