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noun, plural me·dul·las, me·dul·lae 
[-duhl-ee] .
[-duhl-ee] . 1.
Anatomy.
a.
the marrow of the bones.
b.
the soft, marrowlike center of an organ, as the kidney or adrenal gland.
2.
Botany. the pith of plants.
Origin:
1635–45; < Latin: marrow, pith
1635–45; < Latin: marrow, pith
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Link To medulla
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Medulla
is always a great word to know.
So is cavity. Does it mean:
| the part of the arm between the elbow and the wrist |
| a hollow space within the body, an organ or a bone |
Example Sentences
- But since other body tissues also produce catecholamines, life can go on even if the adrenal medulla fails.
Collins
World English Dictionary
| medulla (mɪˈdʌlə) | |
| —n , pl -las, -lae | |
| 1. | anatomy |
| a. the innermost part of an organ or structure | |
| b. short for medulla oblongata | |
| 2. | botany another name for pith |
| [C17: from Latin: marrow, pith, probably from medius middle] | |
| me'dullary | |
| —adj | |
| me'dullar | |
| —adj | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History
medulla
1651, "hindmost segment of the brain," from L., lit. "marrow," also "pith of plants," of unknown origin, perhaps related to or influenced by medius "middle" (but cf. also O.Ir. smiur, Welsh mer "marrow").
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
medulla me·dul·la (mĭ-dŭl'ə)
n. pl. me·dul·las or me·dul·lae (-dŭl'ē)
The inner core of certain organs or body structures, such as the marrow of bone. Also called medullary substance.
me·dul'lar or med'ul·lar'y (měd'l-ěr'ē, mə-dŭl'ə-rē) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
medulla (mĭ-dŭl'ə, mĭ-d 'lə) Pronunciation Key
Plural medullas or medullae (mĭ-dŭl'ē)
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The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
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