Kanji

marrow, pith, essence

Kanji

Grade

Grade 8

Strokes

19 strokes

Radical

骨部

On'yomi (Chinese Reading)

ズイ

Nanori (Name Reading)

すね, なか

Common Readings

ズイ

Example sentences

脳髄 のうずい
恐怖が脳髄を駆け抜けた。

Fear ran through his brain.

骨の髄まで ほねのずいまで
彼は骨の髄まで悪党だ。

He is a villain to the core.

脊髄 せきずい
脊髄は中枢神経系の一部です。

The spinal cord is part of the central nervous system.

中枢神経系 ちゅうすうしんけいけい
脳と脊髄は、人間の体における中枢神経系を構成している。

The brain and spinal cord constitute the central nervous system in the human body.

真髄 しんずい
この小説は、日本文化の真髄を見事に描き出している。

This novel brilliantly depicts the true essence of Japanese culture.

抉剔 けってき
学者は古文書の真髄を抉剔した。

The scholar extracted the essence of the ancient documents.

神髄 しんずい
彼は伝統工芸の神髄を極めた

He mastered the true essence of traditional crafts.

骨髄 こつずい
患者は骨髄移植を受けた

The patient received a bone marrow transplant.

造血幹細胞 ぞうけつかんさいぼう
造血幹細胞は骨髄で新しい血球を作る。

Hematopoietic stem cells make new blood cells in the bone marrow.

Example Vocabulary

Sottaku

About Sottaku

Sottaku is an app for learning Chinese, Japanese, Korean, English, Spanish, French, German, and Italian with a strong focus on SRS. It includes automatic flashcard creation for hundreds of thousands of words, grammar breakdowns in example sentences, language-specific study packs where available, adaptive quizzes, mobile apps, a browser extension, and community features. Give it a try now! All learning content is free with no limits on flashcards or study time.

Sottaku is built to match the habits of successful learners. By using Sottaku, you will naturally learn in the most efficient way possible, as proven by countless success stories in the language learning community.

Free Forever

Access all grammar guides, quizzes, and flashcards without paying a cent. Quality education should be accessible to everyone.

Smart SRS System

Our flashcard system uses the FSRS algorithm (also used in Anki) to optimize your review schedule and maximize retention.

Comprehensive Content

From hanzi, kana, hangul, and European vocabulary basics to grammar and reading practice where available, we have lessons for every level. Practice with quizzes tailored to your skill.

Community Chat

Ask level-appropriate questions and get help from the community. Learn together with fellow learners across all 8 supported languages.