盲腸

Wasei kango (和製漢語), orthographically borrowed from Japanese 盲(もう)腸(ちょう) (mōchō).

盲腸

1. (anatomy) caecum
2. (anatomy, proscribed) appendix

   盲腸炎／盲肠炎  ―  mángcháng yán  ―  appendicitis

   割盲腸／割盲肠  ―  gē mángcháng  ―  to undergo appendectomy

3. (neologism, Internet slang) deliberate misspelling of 盲點 / 盲点 (mángdiǎn); see 突破盲腸／突破盲肠

• (caecum):

• (appendix): 爛尾／烂尾 (lànwěi)

/mautyau/ → /mɔːt͡ɕɔː/ → /moːt͡ɕoː/

Calque of Dutch blinde darm (literally “blind gut”), equivalent to 盲 (mou, “blind”) +‎ 腸 (chou, “gut”). Coined by Japanese scientist Udagawa Yōan in 1774

• (Tokyo) もーちょー [móꜜòchòò] (Atamadaka – [1])^[1]
• IPA^(key): [mo̞ːt͡ɕo̞ː]

盲(もう)腸(ちょう) • (mōchō) ^{←まうちやう (mautyau)?}

1. (medicine, anatomy) caecum
2. (informal, slang) appendix

The appendix sense is common in everyday parlance, but is incorrect in medical contexts, where this term refers more specifically to the caecum. The medical term for the appendix is 虫(ちゅう)垂(すい) (chūsui).^[2][1]

• 虫(ちゅう)垂(すい) (chūsui, “appendix”)

• 盲(もう)腸(ちょう)炎(えん) (mōchōen, “appendicitis”)
• 盲(もう)腸(ちょう)線(せん) (mōchōsen, “a dead-end branch line”)

• → Chinese: 盲腸 / 盲肠 (mángcháng)
• → Korean: 맹장 (maengjang)

• “盲腸”, in 漢字ぺディア [Kanjipedia]‎^[1] (in Japanese), The Japan Kanji Aptitude Testing Foundation, 2015–2025
• 2002, Ineko Kondō; Fumi Takano; Mary E Althaus; et. al., Shogakukan Progressive Japanese-English Dictionary, Third Edition, Tokyo: Shōgakukan, →ISBN.