medulla

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Related to spinal medulla: medulla spinalis

me·dul·la

 (mĭ-dŭl′ə)
n. pl. me·dul·las or me·dul·lae (-dŭl′ē)
1. The inner core of certain organs or body structures, such as the marrow of bone.
2. The medulla oblongata.
3. See myelin.
4. Botany
a. The pith in the stems or roots of certain plants.
b. The central portion of a thallus in certain lichens and red or brown algae.

[Middle English, from Latin, perhaps alteration (influenced by medius, middle) of *merulla.]

me·dul′lar, med′ul·lar′y (mĕd′l-ĕr′ē, mə-dŭl′ə-rē) adj.

medulla

(mɪˈdʌlə)
n, pl -las or -lae (-liː)
1. (Anatomy) anatomy
a. the innermost part of an organ or structure
b. short for medulla oblongata
2. (Botany) botany another name for pith4
[C17: from Latin: marrow, pith, probably from medius middle]
meˈdullary, meˈdullar adj

me•dul•la

(məˈdʌl ə)

n., pl. -dul•las, -dul•lae (-ˈdʌl i)
1.
a. the marrow of the bones.
b. the soft marrowlike center of an organ, as the kidney or adrenal gland.
2. the pith of plants.
[1635–45; < Latin: marrow, pith]
med•ul•lar•y (ˈmɛd lˌɛr i, ˈmɛdʒ əˌlɛr i, məˈdʌl ə ri) adj.

me·dul·la

(mĭ-dŭl′ə, mĭ-do͞o′lə)
2. The central core of an anatomical structure, such as the adrenal gland or the kidney.

medulla

The inner part of some organs, including the kidneys; a name for bone marrow.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.medulla - a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibersmedulla - a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
medullary sheath, myelin sheath - a layer of myelin encasing (and insulating) the axons of medullated nerve fibers
fat - a soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides); "pizza has too much fat"
2.medulla - lower or hindmost part of the brainmedulla - 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"
neural structure - a structure that is part of the nervous system
brain stem, brainstem, 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
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
3.medulla - the inner part of an organ or structure in plant or animal
animal tissue - the tissue in the bodies of animals
adrenal medulla - the medulla of the adrenal gland; secretes epinephrine
plant tissue - the tissue of a plant
cortex - the tissue forming the outer layer of an organ or structure in plant or animal
Translations
Medulla

medulla

[meˈdʌlə] N (medullas or medullae (pl)) [meˈdʌliː]medula f

medulla

nMark nt; (of spine)Rückenmark nt; (= renal medulla)Nierenmark nt

medulla

[mɪˈdʌlə] n (Anat) (also medulla oblungata) → midollo allungato

me·dul·la

n. médula, pop. tuétano, parte interna o central de un órgano;
___ oblongata___ oblongata, bulbo raquídeo, porción de la médula localizada en la base del cráneo;
___ ossium, bone marrow___ ósea.

medulla

n (pl -lae) (of the brainstem) bulbo raquídeo, médula oblonga; adrenal — médula suprarrenal or adrenal