反射弧 (fǎn shè hú) — reflex arc | tongtong Chinese Dictionary

Definition

Scientific term for the neural pathway of a reflex: from the receptor through the spinal cord back to the effector, producing an automatic response.

noun

reflex arc

反射弧，。
Yī shēng jiǎn chá le tā de fǎn shè hú, fā xiàn fǎn yìng hěn màn.
The doctor examined his reflex arc and found the response was very slow.
，反射弧。
Cì jī pí fū shí, fǎn shè hú huì xùn sù chuán dì xìn hào dào jǐ suǐ.
When the skin is stimulated, the reflex arc quickly transmits signals to the spinal cord.
反射弧。
Zhè ge shí yàn ràng wǒ men zhí guān dì liǎo jiě le fǎn shè hú de gōng zuò yuán lǐ.
This experiment gave us an intuitive understanding of how the reflex arc works.

Compound word

构词法gòucífǎ

偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

反射reflex

偏正Modifier + head

反射 indicates a reflex response, and 弧 gives the arc.

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú

Sound part声符shēngfú

厂

Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

反 uses 又 (hand) for meaning and 厂 for sound. Its original shape showed a hand turning its palm over, giving the sense of return or reverse.

Two or more meaningful parts placed together so that their meanings combine into a new one.

In 射, the left part comes from 弓 (bow) and 矢 (arrow), and the right part comes from a hand drawing the bowstring.

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

弓瓜弧

Meaning part形符xíngfú

Sound part声符shēngfú

瓜

The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

弧 uses 弓 (bow) to show a wooden bow or a curve like a bow, and 瓜 for the pronunciation.