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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.


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.


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.


(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:
Read it and learn to understand why you are fooled day by day!

More discussions about roll
References in periodicals archive ?
were in safe hands and the present government will never allow rolling back or
Summary: Eoe1/4Ao Euro stalls ahead of 2009 high; rolling back over Eoe1/4Ao Dollar/Yen remains under pressure; eyes 92.
The US-backed electoral and street opposition in Iran was designed to push to the limits a destabilization campaign, with the intention of rolling back Iranian influence in the Middle East, undermining Tehran's opposition to US military intervention in the Gulf, its occupation of Iraq and, above all, Iran's challenge to Israel's projection of military power in the region.
In the event of a server disaster, users reboot the server and press the space bar on the keyboard to activate the program, rolling back the system to the most recent backup point.
More important, though, is that simply rolling back Real ID would do nothing to address the problem it was intended to fix -- namely, ensuring that all identification cards are secure.
By rolling back $14 billion in subsidies for Big Oil at time when they have recorded record profits, and investing that money in clean renewable energy, energy efficiency and alternative fuels, we will reduce our dependence on foreign oil.
President Viktor Yushchenko has increased public spending, hiked tariffs, and made the tax system more complex, disappointing anyone who assumed that rolling back the old regime would mean rolling back the state.
The church leaders noted that key government programs aimed at rolling back the pandemic were now using churches as channels for treatment and care, but they expressed anxiety about the future of the donor-funded programs.
Coal fired power plants burn coal because it's cheap, and the Bush administration is rolling back cleanup efforts.
The $5 billion per year price tag could easily be paid for by slightly rolling back recent tax breaks on dividends.