med·​ul·​lary | \ ˈme-də-ˌler-ē How to pronounce medullary (audio) , ˈme-jə- How to pronounce medullary (audio) ; mə-ˈdə-lə-rē How to pronounce medullary (audio) \

Definition of medullary

1 : of or relating to the pith of a plant
2 : of or relating to a medulla and especially the medulla oblongata

Examples of medullary in a Sentence

Recent Examples on the Web For instance, their work hints that one of the two specimens might have preserved medullary bone, a type of bone that only ovulating females would possess. National Geographic, "These sleek predatory dinosaurs really are teenage T. rex," 1 Jan. 2020 The diagnosis: bilateral adrenal medullary hyperplasia. Ryan Prior, CNN, "This college dropout was bedridden for 11 years. Then he invented a surgery and cured himself," 27 July 2019 Avimaia is also thought to preserve medullary bone. Michael Greshko, National Geographic, "In a first, fossil bird found with unlaid egg," 20 Mar. 2019 There was only a single complete response recorded in the LOXO-292 study in a medullary thyroid cancer patients. Adam Feuerstein, STAT, "Loxo Oncology shows high tumor response rates with second genetically targeted cancer drug," 2 June 2018 The mutation is also found in 60 percent of medullary thyroid cancers. Adam Feuerstein, STAT, "Loxo Oncology shows high tumor response rates with second genetically targeted cancer drug," 2 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'medullary.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of medullary

1830, in the meaning defined at sense 1

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Time Traveler for medullary

Time Traveler

The first known use of medullary was in 1830

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Cite this Entry

“Medullary.” Dictionary, Merriam-Webster, Accessed 17 Jan. 2021.

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More Definitions for medullary


med·​ul·​lary | \ ˈmed-ᵊl-ˌer-ē How to pronounce medullary (audio) , ˈmej-ə-ˌler-ē; mə-ˈdəl-ə-rē How to pronounce medullary (audio) \

Medical Definition of medullary

1a : of or relating to the medulla of any body part or organ
b : containing, consisting of, or resembling bone marrow
c : of or relating to the medulla oblongata or the spinal cord
d : of, relating to, or formed of the dorsally located embryonic ectoderm destined to sink below the surface and become neural tissue
2 : resembling bone marrow in consistency used of cancers

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