matter (redirected from Dense matter)

matter /mat·ter/ (mat´er)

1. substance; anything that occupies space.

2. pus.

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gray matter  substantia grisea.

white matter  substantia alba.

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mat·ter (mtr)

n.

1. Something that occupies space and can be perceived by one or more senses.

2. A specific type of substance.

3. Discharge or waste, such as pus or feces, from a living organism.

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matter

Etymology: L, materia

1 anything that has mass and occupies space.

2 any substance not otherwise identified as to its constituents, such as gray matter, pus, or serum exuding from a wound.

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matter

1. physical material having form and weight under ordinary conditions of gravity.

2. pus.

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gray matter

matter of the central nervous system, which represents the aggregations of the nerve cells.

white matter

matter of the central nervous system, which comprises the axons of the nerve cells.

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matter

Anatomy Stuff that occupies cavities. See Gray matter, White matter.