matter

[mat´er]

1. physical material having form and weight under ordinary conditions; called also substance.

gray matter areas of the nervous system where the nerve fibers are unmyelinated (not enveloped by a myelin sheath); it contains the bodies of the nerve cells. Tissue composed of myelinated fibers is called white matter. The cerebral cortex is entirely composed of gray matter and the cerebellum also contains some deep-seated masses of it. The spinal cord has a central core of gray matter surrounded by white matter; in cross section, its gray matter is shaped approximately like the letter H. Called also substantia grisea and gray substance.

white matter areas of the nervous system composed mostly of myelinated nerve fibers (those having myelin sheaths) constituting the conducting portion of the brain and spinal cord. Tissue composed of unmyelinated fibers is called gray matter. Called also substantia alba and white substance.

sub·stance

(sŭb'stănts),

Material.

Synonym(s): substantia [TA], matter

[L. substantia, essence, material, fr. sub- sto, to stand under, be present]

Farlex Partner Medical Dictionary © Farlex 2012

matter

(măt′ər)

1. A specific type of substance.

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

matter

Anatomy
Material substance that occupies cavities.

Physics
Material substance that occupies space.

matter

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

sub·stance

(sŭb'stăns)

Material.
Synonym(s): substantia [TA] , matter.

[L. substantia, essence, material, fr. sub-sto, to stand under, be present]

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

matter

that which constitutes the substance of physical forms, has mass, occupies space and can be quantified.

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Mentioned in

References in classic literature

Totski, who was living abroad at this time, very soon forgot all about the child; but five years after, returning to Russia, it struck him that he would like to look over his estate and see how matters were going there, and, arrived at his bailiff's house, he was not long in discovering that among the children of the latter there now dwelt a most lovely little girl of twelve, sweet and intelligent, and bright, and promising to develop beauty of most unusual quality-as to which last Totski was an undoubted authority.

It even embraced legal matters, and the "world" in general, to a considerable extent.

To make matters worse, she was quite impervious to mercenary considerations, and could not be bribed in any way.

Having remarked how difficult it was for him, of all people, to speak to her of these matters, Totski concluded by saying that he trusted Nastasia Philipovna would not look with contempt upon him if he now expressed his sincere desire to guarantee her future by a gift of seventy-five thousand roubles.

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Summary: TEHRAN (FNA)- Dark matter, which researchers believe make up about 80% of the universe's mass, is one of the most elusive mysteries in modern physics.

Dark Matter May Be Older Than Big Bang

In the 55 and above bracket, 54 percent said age gapmatters, while 38 percent said it does not matter. It was followed by those aged 45 to 54 (51 percent it matters, 41 percent it does not matter), those aged 35-44 (47 percent it matters, 38 percent it does not matter), those aged 18 to 24 (45 percent it matters, 40 percent it does not matter) and those aged 25 to 34 (44 percent it matters, 49 percent it does not matter).

Pinoys split on relationship age gaps

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Mysterious dark matter continues to have scientists scratching their heads

Scientists have lost their latest round of hide-and-seek with dark matter, but they're not out of the game.

Dark matter searches come up empty: physicists broaden efforts to identify bulk of universe's mass

When you are the object of care and concern, you matter. Importance is also a form of ego-extension, meaning that you are a part of someone and that subsequently your success or failure becomes the pride or disappointment of that person.

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People need to feel that they matter, and religions cater to this need.

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Summary: Frank Orzo, vice president, Mitratech Holdings, Inc.: “Steven, thanks for taking time to share your thoughts and ideas about the benefits of a matter management ...

Inside counsel explore the benefits and challenges of a matter management system