MARROW

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 Dictionary entry overview: What does marrow mean? 

• MARROW (noun)
  The noun MARROW has 5 senses:

1. the fatty network of connective tissue that fills the cavities of bones

2. any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh

3. very tender and very nutritious tissue from marrowbones

4. large elongated squash with creamy to deep green skins

5. the choicest or most essential or most vital part of some idea or experience

  Familiarity information: MARROW used as a noun is common.

 Dictionary entry details 

• MARROW (noun)

Sense 1

Meaning:

The fatty network of connective tissue that fills the cavities of bones

Classified under:

Nouns denoting body parts

Synonyms:

bone marrow; marrow

Hypernyms ("marrow" is a kind of...):

connective tissue (tissue of mesodermal origin consisting of e.g. collagen fibroblasts and fatty cells; supports organs and fills spaces between them and forms tendons and ligaments)

Hyponyms (each of the following is a kind of "marrow"):

red bone marrow; red marrow (bone marrow of children and some adult bones that is required for the formation of red blood cells)

yellow bone marrow; yellow marrow (bone marrow that is yellow with fat; found at the ends of long bones in adults)

Holonyms ("marrow" is a part of...):

bone; os (rigid connective tissue that makes up the skeleton of vertebrates)

immune system (a system (including the thymus and bone marrow and lymphoid tissues) that protects the body from foreign substances and pathogenic organisms by producing the immune response)

Sense 2

Meaning:

Any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh

Classified under:

Nouns denoting plants

Synonyms:

marrow; marrow squash; vegetable marrow

Hypernyms ("marrow" is a kind of...):

Cucurbita pepo melopepo; summer squash; summer squash vine (any of various usually bushy plants producing fruit that is eaten while immature and before the rind or seeds harden)

Meronyms (parts of "marrow"):

marrow; vegetable marrow (large elongated squash with creamy to deep green skins)

Hyponyms (each of the following is a kind of "marrow"):

courgette; zucchini (marrow squash plant whose fruit are eaten when small)

cocozelle; Italian vegetable marrow (squash plant having dark green fruit with skin mottled with light green or yellow)

Sense 3

Meaning:

Very tender and very nutritious tissue from marrowbones

Classified under:

Nouns denoting foods and drinks

Synonyms:

bone marrow; marrow

Hypernyms ("marrow" is a kind of...):

dainty; delicacy; goody; kickshaw; treat (something considered choice to eat)

Holonyms ("marrow" is a part of...):

marrowbone (a bone containing edible marrow; used especially in flavoring soup)

Sense 4

Meaning:

Large elongated squash with creamy to deep green skins

Classified under:

Nouns denoting foods and drinks

Synonyms:

marrow; vegetable marrow

Hypernyms ("marrow" is a kind of...):

summer squash (any of various fruits of the gourd family that mature during the summer; eaten while immature and before seeds and rind harden)

Holonyms ("marrow" is a part of...):

marrow; marrow squash; vegetable marrow (any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh)

Sense 5

Meaning:

The choicest or most essential or most vital part of some idea or experience

Classified under:

Nouns denoting cognitive processes and contents

Synonyms:

center; centre; core; essence; gist; heart; heart and soul; inwardness; kernel; marrow; meat; nitty-gritty; nub; pith; substance; sum

Context example:

the nub of the story

Hypernyms ("marrow" is a kind of...):

cognitive content; content; mental object (the sum or range of what has been perceived, discovered, or learned)

Hyponyms (each of the following is a kind of "marrow"):

bare bones ((plural) the most basic facts or elements)

hypostasis ((metaphysics) essential nature or underlying reality)

haecceity; quiddity (the essence that makes something the kind of thing it is and makes it different from any other)

quintessence (the purest and most concentrated essence of something)

stuff (a critically important or characteristic component)

 Context examples 

The researchers observed levels of SDF-1 decreasing six hours after stroke, but only in the skull marrow, and not in the tibia.

(Researchers unearth secret tunnels between the skull and the brain, National Institutes of Health)

Some children with the disease have been successfully treated with blood stem cell, or bone marrow, transplants.

(Stem cell transplant reverses sickle cell disease in adults, NIH)

Researchers believed that the bone marrow was the major site of platelet production.

(An overlooked role for lungs in blood formation, NIH)

The gene therapy approach involves first obtaining blood-forming stem cells from a patient’s bone marrow.

(Gene therapy restores immunity in infants with rare immunodeficiency disease, National Institutes of Health)

A progressive, chronic disease in which the bone marrow is replaced by fibrous tissue and blood is made in organs such as the liver and the spleen, instead of in the bone marrow.

(Agnogenic myeloid metaplasia, NCI Dictionary)

The bone marrow and the peripheral blood show large myeloblasts with abundant basophilic cytoplasm, often containing azurophilic granules.

(Acute Myeloid Leukemia with t(8;21)(q22;q22); RUNX1-RUNX1T1, NCI Thesaurus/WHO)

Tests that examine the blood and bone marrow diagnose AML.

(Acute Myeloid Leukemia, NIH: National Cancer Institute)

A rapidly progressing cancer that starts in blood-forming tissue such as the bone marrow, and causes large numbers of white blood cells to be produced and enter the blood stream.

(Acute leukemia, NCI Dictionary)

An aggressive (fast-growing) type of acute myeloid leukemia in which there are too many immature blood-forming cells in the blood and bone marrow.

(Acute promyelocytic leukemia, NCI Dictionary)

The characteristic Burkitt cells are seen in the bone marrow and the peripheral blood.

(Adult Burkitt Leukemia, NCI Thesaurus)