medulla definition

  • noun:
    • The internal core of particular organs or human body frameworks, like the marrow of bone tissue.
    • The medulla oblongata.
    • identify myelin.
    • Botany The pith into the stems or origins of particular plants.
    • Botany The main percentage of a thallus in a few lichens and purple or brown algae.
    • The soft internal element of something, particularly the pith of a fruit.
    • The internal material of varied organs and frameworks, especially the marrow of bones.
    • The medulla oblongata.
    • the inner structure of a plant.
    • Marrow; pith; therefore, essence.
    • The marrow of bones; the deep or inner percentage of an organ or part; ; especially, the medula oblongata.
    • A soft tissue, occupying the middle of the stem or part of a plant; pith.
    • identify medulla oblongata.
    • In structure and zoology: Marrow. [little-used.]
    • The so-called spinal marrow; the back, or central axis associated with the nervous system; the myelon: much more fully known as medulla spinalis.
    • The hindmost portion regarding the mind, constant with the spinal cord; the afterbrain or metencephalon; the oblongata: more completely called medulla oblongata.
    • The ventral ganglionic chain regarding the nervous system of some invertebrates, as Vermes, allowed to be analogous into spinal cord of vertebrates.
    • The pith of a hair.
    • The myelin, or white and fatty covering of this axis-cylinder of a nerve.
    • In botany, the pith of plants.
    • The semi-fluid endosarc of a protozo├Ân.
    • the inner section of an organ or construction in-plant or pet
    • a white fatty material that forms a medullary sheath across the axis cylinder of some nerve fibers
    • reduced or hindmost part of the mind; constant with spinal-cord; (`bulb' is an old term for medulla oblongata)

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