receptor

receptor — 名詞

1. a nerve ending or sensory cell found inside the body. It detects physical change

1.名詞B2
釋義

受器

偵測刺激的神經結構

a nerve ending or sensory cell found inside the body. It detects physical changes — such as temperature, pressure, or pain — and turns them into nerve signals that travel to the brain or spinal cord.

例句

Pain receptors in Camille's skin warned her brain when she touched the hot pan.

卡蜜兒皮膚中的痛覺受器在她碰到熱鍋時,向大腦發出了警告。

collocation: pain receptors

The olfactory receptors inside Sumin's nose let him smell bread from the bakery.

秀敏鼻腔內的嗅覺受器讓他聞到麵包店傳來的麵包香。

collocation: olfactory receptors + in [body part]

同義詞
  • sense organ

    Broader — refers to a complete structure (e.g., eye, ear) that contains many receptors.

  • nerve ending

    Narrower focus on the physical end of a nerve fiber where detection occurs.

  • sensory cell

    Emphasizes the cellular nature rather than the nerve structure.

文法句型

receptor + in [body part]

receptor + for [stimulus type]

用法筆記

Frequently paired with a sense-related adjective that names the type of stimulus (pain, touch, temperature, light, olfactory). The preposition in usually follows, specifying the body part where the receptor is located.

常見錯誤

The eye is a receptor for light.
The eye contains receptors for light.
💡the eye is a sense organ that holds many receptors, not a receptor itself.

2. any of several protein molecules located at the surface or inside a cell. They l

2.名詞C1
釋義

受體

細胞上與化學物質結合的蛋白

any of several protein molecules located at the surface or inside a cell. They link up with a specific chemical — such as a hormone, a neurotransmitter, or an antigen — and trigger a particular response from the cell.

例句

Insulin receptors on fat cells help the body absorb blood sugar after a meal.

脂肪細胞上的胰島素受體幫助身體在餐後吸收血糖。

collocation: insulin receptors

Certain cancer treatments work by blocking the receptors that signal tumors to grow.

某些癌症治療方法是透過阻斷發出腫瘤生長訊號的受體來發揮作用。

receptor + verb: block / signal

同義詞
  • binding site

    More general — can refer to any part of a molecule where a chemical attaches.

  • cell-surface protein

    Descriptive but narrower — specifically names the location on the cell membrane.

文法句型

[substance] receptor

receptor + for [substance]

receptor + on [cell type]

用法筆記

Typically appears with a specific substance name before it (e.g., insulin receptor, dopamine receptor, estrogen receptor). Common in medical and biochemistry writing. The verb pair bind to or attach to is used to describe how a substance connects with a receptor.

常見錯誤

The insulin receptor receives the hormone insulin.
The insulin receptor binds to the hormone insulin.
💡a receptor does not 'receive' in the everyday sense; it chemically binds to the substance.