backbone

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spine

 [spīn]
1. a thornlike process or projection; called also acantha and spina.
2. the rigid bony structure in the midline of the back, composed of the vertebrae; called also backbone, spinal column, and vertebral column.



The spinal column is the axis of the skeleton; the skull and limbs are in a sense appendages. The vertebrae also provide the protective bony corridor (spinal canal) through which the spinal cord passes; they can move to a certain extent and so give flexibility to the spine, allowing it to bend forward, sideways and, to a lesser extent, backward. In the areas of the neck and lower back, the spine also can pivot, which permits the turning of the head and torso.

There are usually 24 movable vertebrae and nine that are fused together. The topmost are the seven cervical vertebrae, which form the back of the neck, supporting the skull. The head turns from side to side by means of a pivotal motion between the two highest vertebrae. Below these are the 12 thoracic vertebrae, the supports on which the ribs are hinged, and then the five lumbar vertebrae, the largest movable vertebrae (the cervical are the smallest). Below the lumbar vertebrae, the spine terminates with two groups of vertebrae fused into single bones: the sacrum, composed of five vertebrae, and the coccyx, composed of four vertebrae. Viewed from the side of the body, the spine has the shape of a gentle double S curve.
Malformations of the Spine. Of the various types of spinal malformations, some are congenital and others the result of postural defects or injuries. spina bifida is congenital. kyphosis may occasionally be congenital but is more often caused by one of the diseases that attack the structure of the bones. The most common of these is pott's disease, or tuberculosis affecting the vertebrae and soft tissues of the spine. Another is osteitis deformans, a type of bone inflammation in which parts of the bone are replaced by softer tissue. scoliosis is a curvature of the spine toward one side.
cervical spine that portion of the spine comprising the cervical vertebrae.
lumbar spine that portion of the spine comprising the lumbar vertebrae.
thoracic spine that part of the spine comprising the thoracic vertebrae.

ver·te·bral col·umn

[TA]
the series of vertebrae that extend from the cranium to the coccyx, providing support and forming a flexible bony case for the spinal cord.

backbone

(băk′bōn′)
n.
1. The vertebrate spine or spinal column.
2. Chemistry The main chain of atoms in a polymer.

back′boned′ adj.

backbone

the vertebral column.

backbone

Vox populi Vertebral column, see there.

ver·te·bral col·umn

(vĕr'tĕ-brăl kol'ŭm) [TA]
The series of vertebrae that extend from the cranium to the coccyx, providing support and forming a flexible bony case for the spinal cord.
Synonym(s): columna vertebralis [TA] , backbone, rachis, spina, spinal column, spine (2) .

backbone

The vertebral column or spine.

backbone

see VERTEBRAL COLUMN.

backbone

the vertebral column.

Patient discussion about backbone

Q. Anyone have knowledge of cancer in the spine? Doctors think my 40 year old brother has. My brother has been undergoing test and treatnment for back problems since a vehicle accident in August. The did a test last week and Monday said they saw 4 nodules they think are cancer, his doctor said everytime he had seen this it was cancer. I am devestated right now but trying to stay positive. I am sure you will notice it on the site b/c I know it is affecting me and the stress and worry has the fibromyalgia kicking in at full speed:-( PLEASE anything you can tell me would be a help!

A. Thank you for the answer and the prayers!

Q. I have hurt my cervical spine and shoulder in a rear end car crash in July. Why does it still hurt?

A. Spine and back injuries are known to to be causing a lot of pain and discomfort and for a long period of time. You should try and do some mellow exercise and physiotherapy that might help you a lot. If the pain is unbarable, you should consult your doctor about using pain medications.

Q. Has anyone had a spine fusion that failed? Or hardware that failed?

A. Haven't experienced it myself, but here (http://www.spine-health.com/forum/treatments/back-surgery-and-neck-surgery) you may find a discussion about it.

More discussions about backbone
References in periodicals archive ?
The Munster panel, which will represent the University's 'Fighting Irish' and managed by Donal O'Grady and Tom Barry, is backboned by Limerick players with All-Star nominees Tom Condon, Wayne McNamara, Gavin O'Mahony, James Ryan and Graeme Mulcahy all in the mix.
Backboned by veteran sharpshooter Cora Staunton, Mayo have been pencilled in as favourites to add to titles won in 1999 and 2000.
intends to be a leading, regional, Integrated communication provider (ICP), providing a full complement of broadband access solutions and technologies and enhanced Internet and telecommunication services over fiber optic and wireless backboned networks.
Young players like James McCarthy, Jack McCaffrey, Ciaran Kilkenny, Cormac Costello and others are going to be better again next year and they're backboned as it is by the exceptional leadership skills of Stephen Cluxton along with Gavin's excellent stewardship of the squad.
This afternoon they will face a Tyrone side tipped by many pundits to take their provincial crown and a side backboned by the brilliant Sean Kavanagh.
But Clare are backboned by a host of senior panellists and in Collins (right), they possess one of the stars of the 2013 hurling summer.
His side, backboned by Galway and Mayo, look too powerful for Brian McEniff's Ulster.
Magra operates its own multi-unit Sun SPARCServer 20 Cascade Dataflow and Imageflow File Servers, MDI Optical Jukebox, multiple hubs, and a combination of Macintosh and PC's on Token Ring and Ethernet topologies, backboned on T1 lines and other hi-tech related equipment.
A physically superior Down side outgunned a Derry team backboned by Maghera's Hogan Cup winners throughout.
BALLINA go into today's battle with ROSCOMMON GAELS in Connaught backboned by a midfield partnership the envy of any county side .
SARSFIELDS are one of the best hurling teams in the country - backboned by Galway stars such as Joe McGrath and Joe Conney.