roll

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roll

 [rōl]
1. to turn along an axis while moving forward along a surface.
2. the act of rolling.
3. an object that has been rolled into a cylindrical shape.
pelvic roll pelvic rotation.
trochanter roll a wedge (usually a rolled towel) placed from the crest of the ilium to midthigh to prevent external rotation of the hip when the patient is in a recumbent position.
Use of trochanter roll to prevent external rotation of hip.
See illustration.

roll

(rōl),
1. A mass or structure of a rounded or cylindric form created by rotation of a layer of material around its own long axis.
2. The process by which a round entity is moved by a pressure gradient, as when leukocytes move along a blood vessel wall.

roll

Etymology: OFr, rolle
intrinsic joint movements on an axis parallel to the articulating surface. The axis can remain stationary or move in a plane parallel to the joint surface.

roll

(rol) [Fr. roulle, scroll fr. L. rotula, small wheel]
A usually solid, cylindrical structure.

cotton roll

A cylindrical mass of purified and sterilized cotton used as packing or absorbent material in various dental procedures.

ilial roll

A sausage-shaped mass in the left iliac fossa. It is due to a collection of feces in or induration of the walls of the sigmoid colon.

lumbar roll

An air-filled, foam, or gel cushion placed behind the lower back as a support.

Patient care

It is used to maintain the normal lordotic curvature of the lumbar spine and thereby to relieve pressure on commonly injured structures such as discs and facet joints.

scleral roll

See: spur, scleral

trochanter roll

A cushion or pillow used to hold the hip of a postoperative patient in neutral position.
See: Trochanter Roll

Patient discussion about roll

Q. What roll does the sun have in causing cancer

A. Hi again:

This is a book for everybody here:
http://www.amazon.com/Cancer-Handbook-Really-Working-Doctors/dp/1890612189/ref=pd_bbs_sr_6?ie=UTF8&s=books&qid=1229185619&sr=8-6
Read it and learn to understand why you are fooled day by day!

More discussions about roll
References in classic literature ?
We ought to have our roll of directions, like Christian.
At this arched window, throwing it open, but keeping himself in comparative obscurity by means of the curtain, Clifford had an opportunity of witnessing such a portion of the great world's movement as might be supposed to roll through one of the retired streets of a not very populous city.
said the young man, who had been making out a roll of bills while he was speaking.
Threading this chaos, I at last reached the larder; there I took possession of a cold chicken, a roll of bread, some tarts, a plate or two and a knife and fork: with this booty I made a hasty retreat.
I thanked him for his friendship and caution, and our discourse proceeded in a low tone, while I toasted the Aged's sausage and he buttered the crumb of the Aged's roll.
Fresh rolls, sweet cake, Fancy bread of every kind.
It rolls away from its source with so inconsiderable a current, that it appears unlikely to escape being dried up by the hot season, but soon receiving an increase from the Gemma, the Keltu, the Bransu, and other less rivers, it is of such a breadth in the plain of Boad, which is not above three days' journey from its source, that a ball shot from a musket will scarce fly from one bank to the other.
No echoes of that discord shall be heard Where Father Tagus rolls, or on the banks Of olive-bordered Betis; to the rocks Or in deep caverns shall my plaint be told, And by a lifeless tongue in living words; Or in dark valleys or on lonely shores, Where neither foot of man nor sunbeam falls; Or in among the poison-breathing swarms Of monsters nourished by the sluggish Nile.
His past was fairly blameless; few men could read the rolls of their life with less apprehension; yet he was humbled to the dust by the many ill things he had done, and raised up again into a sober and fearful gratitude by the many he had come so near to doing yet avoided.
It was almost impossible to keep one's foot on the platform, which the heavy rolls of the sea beat over every instant.
Now rolls the thunder deep, Down the cloud valley, And the gibbons around me Howl in the long night.
Aramis, in a black gown, his head enveloped in a sort of round flat cap, not much unlike a CALOTTE, was seated before an oblong table, covered with rolls of paper and enormous volumes in folio.