Hyperonyms
(has_hyperonym)
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05447423-n:
a membrane (as a cell membrane) that allows some molecules to pass through but not others
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Holonyms
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00006484-n:
(biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals
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Glosses
(gloss)
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00006484-n:
(biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals
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Glosses
(gloss)
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05432948-n:
the protoplasm of a cell excluding the nucleus; is full of proteins that control cell metabolism
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Glosses
(gloss)
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07310642-n:
the motion of one object relative to another
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Glosses
(gloss)
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09315159-n:
a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
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Glosses
(gloss)
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14632648-n:
a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
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Glosses
(gloss)
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14650807-n:
a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
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Glosses
(gloss)
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14655371-n:
a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
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Glosses
(gloss)
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14728724-n:
any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes
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Glosses
(gloss)
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14938907-n:
an oily organic compound insoluble in water but soluble in organic solvents; essential structural component of living cells (along with proteins and carbohydrates)
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Glosses
(rgloss)
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05398462-n:
liquid contained inside the cell membranes (usually containing dissolved solutes)
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Glosses
(rgloss)
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05447423-n:
a membrane (as a cell membrane) that allows some molecules to pass through but not others
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Glosses
(rgloss)
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05609111-n:
receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasoconstriction and relaxation of intestinal muscles and contraction of smooth muscles)
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Glosses
(rgloss)
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05609524-n:
receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)
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Glosses
(rgloss)
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07432337-n:
the process of exuding; the slow escape of liquids from blood vessels through pores or breaks in the cell membranes
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Glosses
(rgloss)
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13426726-n:
transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient; requires an expenditure of energy
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Glosses
(rgloss)
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13533186-n:
transport of a substance across a cell membrane by diffusion; expenditure of energy is not required
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Glosses
(rgloss)
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13570236-n:
an exchange of molecules (and their kinetic energy and momentum) across the boundary between adjacent layers of a fluid or across cell membranes
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Glosses
(rgloss)
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15031418-n:
an immunoglobulin E that is formed as an antibody against allergens (such as pollen); attaches to cell membranes causing the release of histamine and other substances responsible for the local inflammation characteristic of an allergy
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