7
core(noun, heart, essence, nucleus)
5
marrow(noun, force, heart, essence, center)
5
pith(noun, heart, essence, core, nucleus)
4
heart(noun, force, essence, center, nucleus)
4
myelin
3
bulb
3
centre
3
medulla oblongata(noun, expression, idiom)
3
myeline
2
bone marrow(expression, idiom)
2
center(force, heart, essence, nucleus)
2
kernel(heart, essence, nucleus)
2
nub(heart, essence, nucleus)
2
nucleus(force, heart, essence, center)
1
axis
1
essence(noun, heart, nucleus)
1
hub
1
lightbulb
1
medullae
1
middle
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APASmart Define. (2015). medulla thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/medulla/thesaurus/synonyms
ChicagoSmart Define. 2015. "medulla thesaurus" https://smartdefine.org/medulla/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, medulla thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/medulla/thesaurus/synonyms>.
MLASmart Define. "medulla thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/medulla/thesaurus/synonyms>