chordoma
noun
chor·do·ma
kȯr-ˈdō-mə 
plural chordomas also chordomata
-mət-ə
: a malignant tumor that is derived from remnants of the embryonic notochord and occurs along the spine attacking especially the bones at the base of the skull or near the coccyx
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“Chordoma.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/chordoma. Accessed 30 Dec. 2024.
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