the marrow of the bones.
the soft, marrowlike center of an organ, as the kidney or adrenal gland.
Botany. the pith of plants.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use medulla in a sentence
There she studied how organic osmolytes protect the kidney medulla—the inner part of the kidney—from the high levels of salt there that would otherwise destroy DNA and proteins in its cells.Pursuing discovery and diversity at the National Institutes of Health | Ken Shulman | June 30, 2021 | MIT Technology Review
medulla means “middle,” and refers to the center of the bone structure.
One of his works, his ‘medulla Theologiæ,’ I believe, adorned the walls of the paternal study.East Anglia | J. Ewing Ritchie
The actual performance of the action is then taken up by the cerebellum, medulla, and spinal ganglia.A Civic Biology | George William Hunter
But they were only stylized gestures leading to conditioned reflexes deep in the medulla.The Sensitive Man | Poul William Anderson
Posteriorly is situated the hind-brain, now consisting of the medulla oblongata and cerebellum.The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
In Scyllium, however, indications appear in the hind-brain of its future division into a cerebellum and medulla oblongata.The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
British Dictionary definitions for medulla
- medullary or medullar, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for medulla
The central portion of an anatomical structure, such as the adrenal gland or the kidney.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.