HyperDic: medulla

English > 3 senses of the word medulla:
NOUNsubstancemedulla, myelin, myelinea white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
bodymedulla, medulla oblongata, bulblower or hindmost part of the brain
bodymedullathe inner part of an organ or structure in plant or animal
medulla > pronunciation
Soundsmihdah'lah; mihduw'lah
RhymesAbila ... Zola: 109 rhymes with lah...
English > medulla: 3 senses > noun 1, substance
MeaningA white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers.
Synonymsmyelin, myeline
BroaderfatA soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides)
Substance ofmedullary sheath, myelin sheathA layer of myelin encasing (and insulating) the axons of medullated nerve fibers
Spanishmielina
Catalanmielina
Adjectivesmedullated(of neurons) covered with a layer of myelin
English > medulla: 3 senses > noun 2, body
MeaningLower or hindmost part of the brain; continuous with spinal cord; ('bulb' is an old term for medulla oblongata).
Example"the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning"
Synonymsmedulla oblongata, bulb
Part ofbrainstem, brain-stem, brain stemThe part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus
Partsrespiratory centerThe center in the medulla oblongata and pons that integrates sensory information about the level of oxygen and carbon dioxide in the blood and determines the signals to be sent to the respiratory muscles
Broaderneural structureA structure that is part of the nervous system
Spanishbulbo raquídeo, medula oblonga, médula oblonga
Catalanbulb raquidi, medul·la oblonga
Adjectivesmedullaryof or relating to the medulla oblongata
English > medulla: 3 senses > noun 3, body
MeaningThe inner part of an organ or structure in plant or animal.
Narroweradrenal medullaThe medulla of the adrenal gland
Broaderanimal tissueThe tissue in the bodies of animals
plant tissueThe tissue of a plant
OppositecortexThe tissue forming the outer layer of an organ or structure in plant or animal
Spanishmedula, médula
Catalanmedulla, medul·la
Adjectivesmedullaryof or relating to the medulla of any body part

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