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n. pl. me·dul·las or me·dul·lae (-dŭl′ē)
1. The inner core of certain organs or body structures, such as the marrow of bone.
2. The medulla oblongata.
3. See myelin.
4. Botany
a. The pith in the stems or roots of certain plants.
b. The central portion of a thallus in certain lichens and red or brown algae.

[Middle English, from Latin, perhaps alteration (influenced by medius, middle) of *merulla.]

me·dul′lar, med′ul·lar′y (mĕd′l-ĕr′ē, mə-dŭl′ə-rē) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.medullary - containing or consisting of or resembling bone marrowmedullary - containing or consisting of or resembling bone marrow
2.medullary - of or relating to the medulla oblongatamedullary - of or relating to the medulla oblongata
3.medullary - of or relating to the medulla of any body part
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


adj medular
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
A sub apical horizontal osteotomy was done at 10 mm supra apical to the anterior teeth penetrating the buccal and lingual cortical plates and in the post medullary bone.
Radiographs of her hands showed bilateral medullary sclerosis of the distal radii and ulnae, with no erosive changes (Fig.
NORDIC BUSINESS REPORT-February 22, 2013-Exelixis names Swedish Orphan Biovitrum AB as European distributor of COMETRIQ for Medullary Thyroid Cancer(C)2013 M2 COMMUNICATIONS
M2 PHARMA-June 4, 2019-Veracyte Presents New Data Showing Potential of Afirma Genomic Test to Guide Targeted Treatment for Medullary Thyroid Cancer Concurrent with Diagnosis
The data presented at the American Society of Clinical Oncology 2019 Annual Meeting show durable clinical activity in patients with RET-altered non-small cell lung cancer, medullary thyroid cancer and other cancers.
It was shown that urine partial pressure of oxygen (Pu[O.sub.2]) is affected by renal arterial flow, hence renal medullary oxygen pressure (6, 7).
Rick Casey, 49, from Oldham, died on Wednesday after suffering with renal medullary carcinoma, a form of kidney cancer said to affect only 400 people across the world.
To the best of our knowledge, there has been no study with a large sample size investigating the morphology of kidneys, including "renal medullary pyramid length, kidney size and parenchymal thickness" in newborns.
defined medullary breast carcinoma (MBC) as one of the invasive and malignant subtypes of breast cancer.
Several cytological and histologic features of HTT are identical to those of papillary thyroid carcinoma (PTC) and medullary thyroid carcinoma.
(1) IH affecting long tubular bones can be medullary, periosteal, and intracortical.