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槌骨 (つちこつ) Japanese meaning | Kotomora

槌つち骨こつ

also: ついこつ · つちぼね

つ

ち

こ

つ

Meanings

1

noun

malleus; hammer (ear bone)

anatomy

Anatomical term for the hammer-shaped bone in the middle ear. Used in medical and biological contexts.

槌つち骨こつは耳じ小しょう骨こつの一ひとつで、鼓こ膜まくの振しん動どうを内ない耳じに伝つたえる。
The malleus is one of the auditory ossicles and transmits vibrations from the eardrum to the inner ear.

Written forms

槌骨
- つちこつ
  Standard kanji spelling for the malleus bone. The reading つちこつ is the most common.
- ついこつ
  Alternate reading, less common than つちこつ.
- つちぼね
  Rare reading using the kun'yomi of 骨. May be encountered in older or colloquial medical contexts.
ついこつ
つちぼね

Kanji

槌

hammer, mallet

骨skeleton, bone, remains

Similar words

耳じ小しょう骨こつ
耳小骨 is the general term for the auditory ossicles (malleus, incus, stapes), while 槌骨 specifically refers to the malleus.
砧きぬた骨こつ
砧骨 is the incus (anvil), the bone that articulates with the malleus.
鐙あぶみ骨こつ
鐙骨 is the stapes (stirrup), the third bone in the ossicular chain.

Etymology

From 槌 (つち, 'hammer') + 骨 (こつ, 'bone'), referring to the hammer-like shape of the malleus.