endo

endo — 構詞成分

1. A word part placed at the start of scientific and medical terms to show the mean

1.構詞成分C2
釋義

內部

表示「在內部」的科學術語字首

A word part placed at the start of scientific and medical terms to show the meaning 'inside' or 'within.'

例句

Gabriel studied the endoskeleton of a large sea turtle at the marine lab.

Gabriel 在海洋實驗室研究了一隻大海龜的內骨骼。

endoskeleton = internal skeleton

The endoscopy showed a patch of irritated tissue in Quinn's oesophagus that needed further testing.

內視鏡檢查發現 Quinn 的食道有一塊發炎組織需要進一步檢驗。

endoscopy = internal examination procedure

同義詞
  • intra-

    also means 'within,' but intra- appears in more general contexts (intranet, intravenous), while endo- is mainly used in biology and medicine

  • intro-

    means 'inward' and suggests movement or direction, unlike endo- which describes position or location

反義詞
  • ecto-

    means 'outside' or 'external' — the direct opposite of endo-

文法句型

endo- + noun

用法筆記

Common in biology and medicine; opposite of ecto- or exo- (outside).

常見錯誤

❌The intraskeleton supports the animal from inside.
✅The endoskeleton supports the animal from inside.
💡intra- also means 'within' but endo- is the correct combining form for biological structures inside an organism.

2. A word part placed at the start of scientific terms to show the meaning 'taking

2.構詞成分C2
釋義

吸收

表示「吸收」的科學術語字首

A word part placed at the start of scientific terms to show the meaning 'taking in' or 'absorbing.'

例句

Felix watched an endothermic reaction slowly pull heat from the cold water.

Felix 看著吸熱反應慢慢地從冷水中吸取熱量。

endothermic = absorbing heat from the surroundings

Ilan's biology film showed a white blood cell using endocytosis to engulf an invading bacterium.

Ilan 的生物影片展示了一個白血球利用細胞內吞作用來吞噬入侵的細菌。

endocytosis = cell engulfing external material

反義詞
  • exo-

    means 'giving out' or 'external' — the opposite process of endo- in scientific terms

文法句型

endo- + noun/adjective

用法筆記

Mainly found in chemistry and biology; compare with exo- (giving out or releasing).