髓

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(bound form) bone marrow; (fig.) innermost part; (botany) pith

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Formation & memory

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Phono-semantic compound (形声字)

骨 meaning “bone” + 遀 sound

Components 骨 ? unknown part

marrow · Heisig RSH #2337

骨 skeleton + 左 left + part of the body + road

Keyword method from Heisig's Remembering Simplified Hanzi.

The most common words first — learning a character in context makes it stick.

Word	Pinyin	Meaning
骨髓增生异常综合征	gǔ suǐ zēng shēng yì cháng zōng hé zhēng	myelodysplastic syndrome (MDS)
多发性骨髓瘤	duō fā xìng gǔ suǐ liú	(medicine) multiple myeloma
红骨髓	hóng gǔ suǐ	red bone marrow; hematopoietic marrow
黄骨髓	huáng gǔ suǐ	yellow bone marrow
髓过氧化物酶	suǐ guò yǎng huà wù méi	myeloperoxidase (aka MPO) (molecular biology)
红玉髓	hóng yù suǐ	(mineralogy) carnelian
绿玉髓	lǜ yù suǐ	(mineralogy) chrysoprase
脊髓灰质炎	jǐ suǐ huī zhì yán	poliomyelitis
骨髓移植	gǔ suǐ yí zhí	(medicine) bone marrow transplant
神髓	shén suǐ	lit. spirit and marrow; the essential character
精髓	jīng suǐ	marrow; pith; quintessence; essence
骨髓	gǔ suǐ	bone marrow
髓结	suǐ jié	pith knot (in timber)
肾上腺髓质	shèn shàng xiàn suǐ zhì	adrenal medulla
脑髓	nǎo suǐ	brain tissue; gray matter; brain; medulla
髓脑	suǐ nǎo	brains; gray matter
玉髓	yù suǐ	(mineralogy) chalcedony; exquisite wine
真髓	zhēn suǐ	essence
骨髓腔	gǔ suǐ qiāng	(anatomy) medullary cavity; marrow cavity of a bone
牙髓	yá suǐ	tooth pulp