| NOUN | substance | medulla, myelin, myeline | a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers |
|---|---|---|---|
| body | medulla, medulla oblongata, bulb | lower or hindmost part of the brain | |
| body | medulla | the inner part of an organ or structure in plant or animal |
| Sounds | mihdah'lah; mihduw'lah | |
|---|---|---|
| Rhymes | Abila ... Zola: 109 rhymes with lah... | |
| Meaning | A white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers. | |
|---|---|---|
| Synonyms | myelin, myeline | |
| Broader | fat | A soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides) |
| Substance of | medullary sheath, myelin sheath | A layer of myelin encasing (and insulating) the axons of medullated nerve fibers |
| Spanish | mielina | |
| Catalan | mielina | |
| Adjectives | medullated | (of neurons) covered with a layer of myelin |
| Meaning | Lower 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" | |
| Synonyms | medulla oblongata, bulb | |
| Part of | brainstem, brain-stem, brain stem | The part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus |
| Parts | respiratory center | The 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 |
| Broader | neural structure | A structure that is part of the nervous system |
| Spanish | bulbo raquídeo, medula oblonga, médula oblonga | |
| Catalan | bulb raquidi, medul·la oblonga | |
| Adjectives | medullary | of or relating to the medulla oblongata |
| Meaning | The inner part of an organ or structure in plant or animal. | |
|---|---|---|
| Narrower | adrenal medulla | The medulla of the adrenal gland |
| Broader | animal tissue | The tissue in the bodies of animals |
| plant tissue | The tissue of a plant | |
| Opposite | cortex | The tissue forming the outer layer of an organ or structure in plant or animal |
| Spanish | medula, médula | |
| Catalan | medulla, medul·la | |
| Adjectives | medullary | of or relating to the medulla of any body part |
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