marrow

1. The fatty network of connective tissue that fills the cavities of bones (synset 105293122)
   is a type 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
   subtypes:

   • 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
   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
   same as: bone marrow
2. Any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh (synset 112180072)
   is a type 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
   subtypes:

   • 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
   has: marrow, vegetable marrow - large elongated squash with creamy to deep green skins
   same as: marrow squash, vegetable marrow
3. Very tender and very nutritious tissue from marrowbones (synset 107889033)
   is a type of: dainty, delicacy, goody, kickshaw, treat - something considered choice to eat
   is a part of: marrowbone - a bone containing edible marrow; used especially in flavoring soup
   same as: bone marrow
4. Large elongated squash with creamy to deep green skins (synset 107732249)
   is a type 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
   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
   same as: vegetable marrow
5. The choicest or most essential or most vital part of some idea or experience (synset 105929717)
   "the gist of the prosecutor's argument"; "the heart and soul of the Republican Party"; "the nub of the story"
   is a type of: cognitive content, content, mental object - the sum or range of what has been perceived, discovered, or learned
   subtypes:

   • 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
   same as: center, centre, core, essence, gist, heart, heart and soul, inwardness, kernel, meat, nitty-gritty, nub, pith, substance, sum

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