Definition of Medulla

1. Noun. A white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers.

Exact synonyms: Myelin, Myeline
Substance meronyms: Medullary Sheath, Myelin Sheath
Generic synonyms: Fat
Derivative terms: Myelinic

2. Noun. Lower or hindmost part of the brain; continuous with spinal cord; ('bulb' is an old term for medulla oblongata). "The medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning"
Exact synonyms: Bulb, Medulla Oblongata
Generic synonyms: Neural Structure
Group relationships: Brain Stem, Brain-stem, Brainstem
Terms within: Respiratory Center
Derivative terms: Bulbar, Medullary

3. Noun. The inner part of an organ or structure in plant or animal.
Generic synonyms: Animal Tissue, Plant Tissue
Specialized synonyms: Adrenal Medulla
Antonyms: Cortex
Derivative terms: Medullary

Definition of Medulla

1. n. Marrow; pith; hence, essence.

Definition of Medulla

1. Noun. The soft inner part of something, especially the pith of a fruit. ¹

2. Noun. (anatomy) The inner substance of various organs and structures, especially the marrow of bones. ¹

3. Noun. (anatomy) The medulla oblongata. ¹

4. Noun. (botany) The internal tissue of a plant. ¹

¹ Source: wiktionary.com

Definition of Medulla

1. the central tissue in the stems of certain plants [n -LAS or -LAE] : MEDULLAR [adj]

Medical Definition of Medulla

1. The inner portion of an organ. (09 Oct 1997)

Lexicographical Neighbors of Medulla

medrick
medricks
medrinaque
medroxyprogesterone
medroxyprogesterone 17-acetate
medroxyprogesterone acetate
medrylamine
medrysone
meds
medscanner
medscanners
medspa
medspas
medspeak
medulla (current term)
medulla glandulae suprarenalis
medulla nodi lymphatici
medulla oblongata
medulla of adrenal gland
medulla of hair shaft
medulla of kidney
medulla of lymph node
medulla ossium
medulla ossium flava
medulla ossium rubra
medulla renalis
medulla spinalis
medullae
medullar

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