trichomes
/ˈtri-ˌkōm How to pronounce trichome (audio) ˈtrī- How to pronounce trichome (audio)/ (ame, mw)
trichomes — 名詞
1. tiny hair-like or scale-like structures that grow from the outer surface of a pl
毛狀體
植物表面的微小毛狀突起結構
tiny hair-like or scale-like structures that grow from the outer surface of a plant, often helping to defend it against insects, reduce water loss, or shield it from strong sunlight
The tiny trichomes on tomato stems give the plant a soft, fuzzy feel when touched.
番茄莖上的細小毛狀體讓整株植物摸起來軟軟毛毛的。
collocation: trichomes on [plant part]
Some trichomes on nettle leaves contain chemicals that cause a sharp sting on bare skin.
蕁麻葉上的某些毛狀體含有化學物質，碰到皮膚會引起劇烈刺痛。
Under the microscope, the trichomes on the mint leaf looked like tiny clear mushrooms.
在顯微鏡下，薄荷葉上的毛狀體看起來像微小的透明蘑菇。
Esther brushed an agave leaf and felt its thick trichomes trapping the morning dew.
Esther 輕觸龍舌蘭葉子，感受到厚厚的毛狀體鎖住了清晨的露水。
Priya brushed against the cucumber vine and felt its rough trichomes scratch her arm.
Priya 擦過黃瓜藤時，粗糙的毛狀體刮到了她的手臂。
- plant hairs
more informal and narrower; trichomes can also be scale-like or glandular, not just hair-shaped
- setae
used mainly in zoology for bristle-like structures on animals; trichomes is the botanical term
用法筆記
In botany, trichomes include many forms — simple hairs, branched stars, and gland-tipped stalks that produce oils or toxins. Distinguish from sense 2, which refers to cell chains in microorganisms, not plant structures.
常見錯誤
2. a thread-like chain of cells in certain bacteria and algae, where the cells stay
細胞鏈
細菌或藻類細胞排列成的絲狀結構
a thread-like chain of cells in certain bacteria and algae, where the cells stay connected end to end after dividing, forming a visible strand under a microscope
Dr. Okafor watched the trichomes of the cyanobacteria lengthen under the warm lab light.
Okafor 博士觀察到藍綠菌的細胞鏈在溫暖的實驗室燈光下伸長。
collocation: trichomes of [organism]
In the pond water sample, long trichomes of green algae twisted slowly through the liquid.
在池塘水樣中，長長的綠藻細胞鏈在液體裡緩緩扭動。
Under the lens, the students saw trichomes made of cells joined end to end.
透過鏡頭，學生們看到由細胞端對端連接而成的細胞鏈。
Dr. Ndidi watched the trichome fragments drift apart under the microscope as the slide grew warm.
Ndidi 博士看著細胞鏈碎片在顯微鏡下隨著玻片升溫而飄散開來。
These bacterial trichomes measured about two hundred cells in length under the lens.
這些細菌細胞鏈在鏡頭下測得約有兩百個細胞長。
- filament
broader term used across biology for any thread-like structure; trichomes specifies a chain of cells
- cell chain
more descriptive but less precise; trichomes is the standard technical term in microbiology
用法筆記
This sense is used in microbiology for filamentous colonies. Distinguish from sense 1 (PLANT HAIRS), which describes epidermal outgrowths on plants, not connected cell chains in microbes.